Domenica Rita Adriana Bertè, known professionally as Mia Martini, was an Italian singer, songwriter and musician. She is considered, by many experts, one of the most important and expressive female voices of Italian music, characterised by her interpretative intensity and her soulful performance.

Charles Aznavour was a French singer of Armenian ancestry, as well as a lyricist, actor and diplomat. Aznavour was known for his distinctive vibrato tenor voice: clear and ringing in its upper reaches, with gravelly and profound low notes. In a career as a composer, singer and songwriter, spanning over 70 years, he recorded more than 1,200 songs interpreted in 9 languages. Moreover, he wrote or co-wrote more than 1,000 songs for himself and others. Aznavour is regarded as one of the greatest songwriters of all time and an icon of 20th-century pop culture.