Across the Universe by The Beatles 

Acoustic cover of Across the Universe by The Beatles. The song was mainly written by John Lennon after the Beatles became interested in transcendental meditation. The song was recorded on their 1970 album Let it Be, the group's last released studio album. The song is in the key of C#, which could be played with C chords and a capo on the first fret (as I have done) or with D chords and all the strings tuned down one-half step.