he who pays the piper calls the tune

:  that male one who is neither speaker nor hearer — compare him, his, it, she, they

: used in a generic sense or when the sex of the person is unspecified

:  a male person or animal

:  to make due return to for services rendered or property delivered

:  to engage for money :  hire

:  to give in return for goods or service

:  something paid for a purpose and especially as a salary or wage :  remuneration

:  the act or fact of paying or being paid

:  the status of being paid by an employer :  employ

:  containing or leading to something precious or valuable

:  equipped with a coin slot for receiving a fee for use

:  requiring payment

:  to coat with a waterproof composition

:  one that plays on a pipe

:  to speak in a loud distinct voice so as to be heard at a distance :  shout

:  to make a request or demand

:  to utter a characteristic note or cry

:  an act of calling with the voice :  shout

:  an imitation of the cry of a bird or other animal made to attract it

:  an instrument used for calling

:  a pleasing succession of musical tones :  melody

:  a dominant theme

:  agreement, harmony

:  to adjust in musical pitch or cause to be in tune

:  to bring into harmony :  attune

:  to make more precise, intense, or effective