I'd Wait a Million Years" Wait a Million Years" is a 1969 hit single by The Grass Roots.BackgroundIt was the first of three single releases from the group's fifth LP, Leaving It All Behind, and is among the group's five greatest hits. It was written by Gary Zekley and Mitchell Bottler. The album version contains a slow organ intro and a longer fadeout, increasing the track's length by almost a minute.Chart performanceThe song reached number 15 on the U.S. Billboard Hot 100 the week ending September 6, 1969, and number 12 on the Cash Box Top 100. In Canada, "I'd Wait a Million Years" spent three weeks at number 12.PersonnelArranged By – Jimmie Haskell