Both formations participate in the Mallorca LGTB Chorus Festival. Barcelona Rainbow Singers is the first LGBT choir created in Spain (in 2010) composed of amateur and professional singers.
Die Schrillmänner is a choir founded by Thomas Krause and a group of college friends gay group of Karlsruhe in 1988.
The LGTB Mallorca Chorus Festival is organized by Gay Men's Chorus Mallorca, Palma City Council, Alcúdia City Council and Andratx City Council.
