51�Թ�

“I’ll split the atom! I am the fifth dimension! I am the eighth wonder of the world!” he reportedly said at one point.

Hopefully by the end of this playlist, you’ll be taking flight, like this exuberant, comfortingly retro 1967 tune by the Fifth Dimension.

We’re not hiking through some dreamtime rave cave in the fifth dimension.

One reader described trying to reach an IRS employee as like being in a “recording fifth dimension.”

Four songs from “Hair” reached Billboard’s Top 5, including “Aquarius/Let the Sunshine In,” which spent six weeks at No. 1 and won a Grammy Award as record of the year for the Fifth Dimension.