Gisele Marie, a Muslim woman and professional heavy metal musician, plays her Gibson Flying V electric guitar during a concert in Sao Paulo, Brazil. ReutersGisele Marie, a Muslim woman and professional heavy metal musician, checks her guitar wah pedal before a concert in Sao Paulo, Brazil. ReutersGisele Marie, a Muslim woman and professional heavy metal musician, plays her Gibson Flying V electric guitar next to a Koran at her house in Sao Paulo, Brazil. ReutersGisele Marie, a Muslim woman and professional heavy metal musician, holds her Gibson Flying V electric guitar before a rehearsal at a studio in Sao Paulo, Brazil. ReutersGisele Marie, a Muslim woman and professional heavy metal musician, plays her Gibson Flying V electric guitar during a concert in Sao Paulo, Brazil. ReutersGisele Marie, a Muslim woman and professional heavy metal musician, looks at guitars at a shop selling musical instruments in Sao Paulo, Brazil. ReutersGisele Marie, a Muslim woman and professional heavy metal musician, looks on as her teacher Marcelo plays a guitar during a music class in Sao Paulo, Brazil. ReutersGisele Marie has been fronting her brothers’ heavy metal band ‘Spectrus’ since 2012. She converted to Islam after her father died in 2012