 "Passport", which in the beginning of 1973 released the single "Tomorrow/Everything's Wrong", consisted of the guitarists and , the drummer , and bass guitarist .The group was extended with the singer Michael Bundesen and keyboard player , and under the name "Shu-bi-dua" released the single "Fed Rock/Tynd Blues", before the group again as "Passport" released the single "Change of the Guard/Highway of Living".Shu-bi-dua was originally thought of as a one-off group, but when the debut single produced the hit "Fed Rock", they chose to keep it.