Are Toshiko Koshijima and Guy Chadwick both responsible for writing the majority of their respective bands material?
Guy Chadwick Guy Stephen Chadwick (born 21 March 1956 in Hanover, Germany) is an English singer, songwriter and guitarist, best known as the frontman of alternative band, The House of Love, for which he wrote the majority of the band's material.
Vinnie Dombroski Mark "Vinnie" Dombroski (born December 4, 1962) is an American musician best known as the lead vocalist and main songwriter for the alternative rock band Sponge. He has also fronted various Detroit-based bands throughout his career.