"backing" - key terms from Wikipedia

added backing vocals
backing
backing an anchor
backing band
backing bands
backing board
backing group
backing musicians
backing paper
backing plate
backing pump
backing singer
backing singers
backing store
backing track
backing tracks
backing up
backing vocal
backing vocal by davy
backing vocal by micky
backing vocalist
backing vocals
backing vocals and handclaps
backing vocals on a hard
backing vocals on better days
backing vocals on entire album
backing vocals on keep talking
backing vocals on love
backing vocals on play
backing vocals on sorrow
backing vocals on the track
backing vocals on this song
backing vocals on time
backing vocals on track
backing vocals on tracks
backing vocals since
contributed backing vocals
female backing singer
financial backing
five backing singers
group performed backing vocals
guitar and backing vocals
lead and backing vocals
moved to backing vocals
performed backing vocals
provided backing vocals
reserves backing the kroon
sinew backing
singing backing vocals
when backing up