This webpage is about the saying “He who pays the piper phone calls the tune”
Possible which means:
The particular person who pays a musician can come to a decision what audio he needs to hear. And the person who pays for any company has the right to say accurately what he wishes.
piper (noun) = a man or woman who plays the pipe (a musical instrument) | tune (noun) = a melody a piece of new music
See Expressing of the Working day right now