_Hor._ [Returning]. Madam, _my instrument's in tune_.
_Bianca._ Let's hear. [_Hor._ plays.] O fie! the _treble jars_.
_Luc._ _Spit in the hole_, man, and tune again.
* * * * *
_Hor._ Madam, _'tis now in tune_.
_Luc._ All but the _base_.
_Hor._ _The base is right_; 'tis the _base knave that jars_.