After that group split in the late 1960s, Arbex formed the progressive rock trio Alacran with Iñaki Egaña and Oscar Lasprilla.
When Lasprilla left the band and moved to England, Arbex and Egaña founded the Latin disco and rock-orientated Barrabás, who went on to considerable European success throughout the 1970s.
He also recorded works outside the world of popular music.
He composed the original music for the first Spanish Musical "La Maja de Goya", and music for cinema and ballet.
In 2000, he reformed Los Brincos for an extremely successful special concert in A Coruña, and also recorded with a reformed Barrabás.
Fernando Arbex died in 2003 after a long illness.