Told stories about backing German songs (6)
I believe the answer is:
lieder
'german songs' is the definition.
(I've seen this before)
'told stories about backing' is the wordplay.
'told stories' becomes 'lied' (I've seen this in other clues).
'about' becomes 're' (regarding).
'backing' says the letters should be written in reverse.
're' backwards is 'er'.
'lied'+'er'='LIEDER'
(Other definitions for lieder that I've seen before include "German Romantic songs for solo voice" , "songs by Schumann?" , "Vocal works" , "Musical settings for solo voice and piano" , "works by Schubert" .)