A member of Skyers Iraqi Band, Haider Ghassan, 25, guitar, trains online at his house, following the outbreak of the coronavirus disease (COVID-19) in Baghdad, Iraq May 6, 2020. Picture taken May 6, 2020. REUTERS/Thaier Al-Sudani

Member of Skyers Iraqi band, Hussain Mazen, 24, guitar, trains online at his house, following the outbreak of the coronavirus disease (COVID-19) in Baghdad, Iraq May 5, 2020. Picture taken May 5, 2020. REUTERS/Thaier Al-Sudani

A drum wall clock is seen at the house of Ahmed Mohy, 25, a member of Skyers Iraqi band, following the outbreak of the coronavirus disease (COVID-19) in Baghdad, Iraq May 6, 2020. Picture taken May 6, 2020. REUTERS/Thaier Al-Sudani

A member of Skyers Iraqi band, Ahmed Mohy, 25, electronic drum, trains online at his house, following the outbreak of the coronavirus disease (COVID-19) in Baghdad,Iraq May 6, 2020. Picture taken May 6, 2020. REUTERS/Thaier Al-Sudani

Members of Iraqi band Skyers, Hussain Mazen, 24, guitar and vocals and Haider Mazen, 27, electronic keyboard, train online at their house, following the outbreak of the coronavirus disease (COVID-19) in Baghdad, Iraq May 5, 2020. Picture taken May 5, 2020. REUTERS/Thaier Al-Sudani

Members of Iraqi band Skyers, Hussain Mazen, 24, guitar and vocals and Haider Mazen, 27, electronic keyboard, train at their house, following the outbreak of the coronavirus disease (COVID-19) in Baghdad, Iraq May 5, 2020. Picture taken May 5, 2020. REUTERS/Thaier Al-Sudani

A member of Skyers Iraqi band, Ahmed Mohy, 25, electronic drum, trains online at his house, following the outbreak of the coronavirus disease (COVID-19) in Baghdad,Iraq May 6, 2020. Picture taken May 6, 2020. REUTERS/Thaier Al-Sudani

A member of Skyers Iraqi band, Hussain Mazen, 24, guitar and vocals, trains online at his house, following the outbreak of the coronavirus disease (COVID-19) in Baghdad, Iraq May 5, 2020. Picture taken May 5, 2020. REUTERS/Thaier Al-Sudani

Jose Romero, a Spanish guitar maker, works inside his shop as he waits for costumers on the first day of opening during the lockdown, amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, May 4, 2020. REUTERS/Sergio Perez

Jose Romero, a Spanish guitar maker, works inside his shop as he waits for costumers on the first day of opening during the lockdown, amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, May 4, 2020. REUTERS/Sergio Perez

Jose Romero, a Spanish guitar maker, works inside his shop as he waits for costumers on the first day of opening during the lockdown, amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, May 4, 2020. REUTERS/Sergio Perez

Jose Romero, a Spanish guitar maker, works inside his shop as he waits for costumers on the first day of opening during the lockdown, amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, May 4, 2020. REUTERS/Sergio Perez

Two musicians play at Gleisdreieck park as the spread of the coronavirus disease (COVID-19) continues, in Berlin, Germany April 25, 2020. REUTERS/Annegret Hilse

Two musicians play at Gleisdreieck park as the spread of the coronavirus disease (COVID-19) continues, in Berlin, Germany April 25, 2020. REUTERS/Annegret Hilse

Fans wave out of the sunroof of a car during a concert of the band Brings from Cologne in a drive-in cinema, as the spread of the coronavirus disease (COVID-19) continues in Cologne, Germany, April 17, 2020. REUTERS/Thilo Schmuelgen

Drummer Christian Bluem of the band Brings from Cologne wears a protective face mask before a concert in a drive-in cinema, as the spread of the coronavirus disease (COVID-19) continues in Cologne, Germany, April 17, 2020. REUTERS/Thilo Schmuelgen

The band Brings from Cologne performs a concert in a drive-in cinema, as the spread of the coronavirus disease (COVID-19) continues in Cologne, Germany, April 17, 2020. REUTERS/Thilo Schmuelgen

The band Brings from Cologne performs a concert in a drive-in cinema, as the spread of the coronavirus disease (COVID-19) continues in Cologne, Germany, April 17, 2020. REUTERS/Thilo Schmuelgen

The band Brings from Cologne performs a concert in a drive-in cinema, as the spread of the coronavirus disease (COVID-19) continues in Cologne, Germany, April 17, 2020. REUTERS/Thilo Schmuelgen

The band Brings from Cologne performs a concert in a drive-in cinema, as the spread of the coronavirus disease (COVID-19) continues in Cologne, Germany, April 17, 2020. REUTERS/Thilo Schmuelgen

The band Brings from Cologne performs a concert in a drive-in cinema, as the spread of the coronavirus disease (COVID-19) continues in Cologne, Germany, April 17, 2020. REUTERS/Thilo Schmuelgen

Italian opera singer Andrea Bocelli rehearses in an empty Duomo square on Easter Sunday ahead of a livestreamed concert for the event ''Music for hope'', inside the empty Duomo cathedral, which is intended as a symbol of love, hope and healing amidst the coronavirus disease (COVID-19) outbreak, in Milan, Italy, April 12, 2020. REUTERS/Alex Fraser

Italian opera singer Andrea Bocelli rehearses in an empty Duomo square on Easter Sunday ahead of a livestreamed concert for the event ''Music for hope'', inside the empty Duomo cathedral, which is intended as a symbol of love, hope and healing amidst the coronavirus disease (COVID-19) outbreak, in Milan, Italy, April 12, 2020. REUTERS/Alex Fraser

Hungarian musician Adam Moser plays for neighbours from his balcony, as the spread of coronavirus disease (COVID-19) continues, in Budapest, Hungary, March 22, 2020. REUTERS/Bernadett Szabo

Hungarian musician Adam Moser plays for neighbours from his balcony, as the spread of coronavirus disease (COVID-19) continues, in Budapest, Hungary, March 22, 2020. REUTERS/Bernadett Szabo

Hungarian musician Adam Moser plays for neighbours from his balcony, as the spread of coronavirus disease (COVID-19) continues, in Budapest, Hungary, March 22, 2020. REUTERS/Bernadett Szabo

Hungarian musician Adam Moser plays for neighbours from his balcony, as the spread of coronavirus disease (COVID-19) continues, in Budapest, Hungary, March 22, 2020. REUTERS/Bernadett Szabo

Hungarian musician Adam Moser plays for neighbours from his balcony, as the spread of coronavirus disease (COVID-19) continues, in Budapest, Hungary, March 22, 2020. REUTERS/Bernadett Szabo

Hungarian musician Adam Moser plays for neighbours from his balcony, as the spread of coronavirus disease (COVID-19) continues, in Budapest, Hungary, March 22, 2020. REUTERS/Bernadett Szabo

Hungarian musician Adam Moser plays for neighbours from his balcony, as the spread of coronavirus disease (COVID-19) continues, in Budapest, Hungary, March 22, 2020. REUTERS/Bernadett Szabo

Women dance to a song on their balcony, as radio stations across the country play music for a flash mob to raise spirits while Italy remains under lockdown to prevent the spread of coronavirus disease (COVID-19) in Rome, Italy, March 20, 2020. REUTERS/Yara Nardi

Women dance to a song on their balcony, as radio stations across the country play music for a flash mob to raise spirits while Italy remains under lockdown to prevent the spread of coronavirus disease (COVID-19) in Rome, Italy, March 20, 2020. REUTERS/Yara Nardi

Women dance to a song on their balcony, as radio stations across the country play music for a flash mob to raise spirits while Italy remains under lockdown to prevent the spread of coronavirus disease (COVID-19) in Rome, Italy, March 20, 2020. REUTERS/Yara Nardi

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, sings at the Maraya Concert Hall in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

Iranian-Swedish singer Arash Labaf, sings, at the Maraya Concert Hall during Tantora festival, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, sings at the Maraya Concert Hall in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, speaks during an interview with Reuters, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian singer Ebi Hamedi, sings at the Maraya Concert Hall during Tantora festival, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

Iranian-Swedish singer Arash Labaf, speaks during an interview with Reuters, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian singer Ebi Hamedi, speaks during an interview with Reuters, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, sings at the Maraya Concert Hall in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, sings at the Maraya Concert Hall in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, sings at the Maraya Concert Hall in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian singer Ebi Hamedi, sings at the Maraya Concert Hall during Tantora festival, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, prepares for the stage at the Maraya Concert Hall during Tantora festival, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian singer Ebi Hamedi, sings at the Maraya Concert Hall during Tantora festival, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian singer Ebi Hamedi, sings at the Maraya Concert Hall during Tantora festival, in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

Saudi youth plays musical instrument on board a plane during a flight to al-Ula, to attend the Tantura Festival, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

Iranian-Swedish singer Arash Labaf, sings, at the Maraya Concert Hall during Tantora festival in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

Passengers wear protective face masks following an outbreak of coronavirus, on a plane of Saudi Airlines, during their trip to al-Ula to attend the Tantura Festival, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

An Iranian pop singer, Sasan Yafteh, better known by his stage name, Sasy, sings at the Maraya Concert Hall in al-Ula, Saudi Arabia March 6, 2020. Picture taken March 6, 2020. REUTERS/Ahmed Yosri

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Austria's President Alexander van der Bellen and his wife Doris Schmidauer attend the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Members of the opening committee line up during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Austria's President Alexander van der Bellen and his wife Doris Schmidauer attend the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Austria's President Alexander van der Bellen and his wife Doris Schmidauer attend the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Austria's President Alexander van der Bellen and his wife Doris Schmidauer attend the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Actor Gabriel Luna and model Franziska Knuppe are seen in a loge during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner

Actor Gabriel Luna, models Franziska Knuppe and Barbara Meier sit in a loge during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner