The 5th Dimension is an American popular music vocal group, whose repertoire also includes pop, R&B, soul, and jazz.
Originally known as The Hi-Fi's, the group changed its name to The 5th Dimension in late 1966 and was best-known during the late 1960s and early 1970s for popularizing the hits Up, Up and Away, Stoned Soul Picnic, Aquarius/Let the Sunshine In, Wedding Bell Blues, One Less Bell to Answer, I Didn't Get to Sleep at All, and The Magic Garden LP.
The five original members were Billy D...
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