Unprofessional song? (3)
I believe the answer is:
lay
I believe this is a double definition.
'unprofessional' is the first definition.
(I've seen this before)
'song?' is the second definition.
(lay is a kind of song)
(Other definitions for lay that I've seen before include "Not clerical or professionally qualified" , "Deposit < , as a nest egg, was" , "Put down (eg, card)" , "Not professional" , "Air" .)