sentences:  Barham collaborated with Harrison on the latter's "Wonderwall Music" soundtrack album (1968), before providing the orchestral arrangements for "All Things Must Pass" songs such as "Isn't It a Pity" and "My Sweet Lord", and for Harrison's 1973 album "Living in the Material World".Most often in the role of orchestral or choral arranger, Barham also contributed to albums such as the Beatles' "Let It Be", John Lennon's "Imagine" and Gary Wright's "Footprint" in the early 1970s.His projects as a music producer during the same period included three albums by progressive rock band Quintessence, and he has worked on film or TV soundtracks for directors Otto Preminger, Alejandro Jodorowsky and Jonathan Miller.