Roots of The Album Leaf

Jón Þór "Jónsi" Birgisson is an Icelandic musician; he is the vocalist and multi-instrumentalist for the Icelandic post-rock band Sigur Rós. He is known for his use of a cello bow on guitar and his falsetto or countertenor voice.

Rogue Wave is a rock/pop band from Oakland, California, and headed by Zach Schwartz who created the band after losing his job in the dot-com bust. Their first album was Out of the Shadow which was released privately in 2003 and re-released in 2004. In the fall of 2004 they went on a national tour of the United States. Their most recent album, Cover Me, was released on February 17, 2017, through Easy Sound Recording Company.

Gilberto Passos Gil Moreira is a Brazilian singer-songwriter and politician, known for both his musical innovation and political activism. From 2003 to 2008, he served as Brazil's Minister of Culture in the administration of President Luiz Inácio Lula da Silva. Gil's musical style incorporates an eclectic range of influences, including rock, Brazilian genres including samba, African music, and reggae.