It is English, but it is used in Spanish. In music it is said of a new version for a theme or song already published previously by another artist. It comes from the English recover ("recover"), for "to bring back a forgotten song".
1º_ Cover, lid, exterior protection. It is also used as a verb . 2º_ In music it is said of a new version for a theme or song already published previously by another artist. It would be an apheresis of recover, for "bringing back a forgotten song".
COVER English word meaning cover, cover girl or pin-up is a magazine cover model. 2 . In cover music is a song that is performed by third parties, which is not the original author or performer of a song already released.