They apparently considered Rider for their first album, since we have an instrumental track of it from the album sessions in January '67. It seems stronger than their last studio attempt in June '66, but sadly they don't seem to have finished it. http://www.archive.org/details/gd1966-12-05.sbd.kimbro.23064.sbeok.shnf After that, the song vanished from their setlists for nearly three years.