As well the singers
shiyr (sheer)
to sing -- sing(-er, -ing man, -ing woman).
as the players
chalal (khaw-lal')
to bore, i.e. (by implication) to wound, to dissolve; figuratively, to profane (a person, place or thing), to break (one's word), to begin (as if by an opening wedge) instruments, pollute, (cast as) profane (self), prostitute, slay (slain), sorrow, stain, wound.
on instruments shall be there all my springs
ma`yan (mah-yawn')
a fountain (also collectively), figuratively, a source (of satisfaction) -- fountain, spring, well.
are in thee