Definition of purvey. purveyed. ; purveying. transitive verb. 1 : to supply (as provisions) usually as a matter of business. 2 : peddle 2.
Using a capo is easy. You just have to think of it as a movable nut. Clamp it on the fret you will use for the key you are playing in, and just play chords or picking from a key you know. You can play in G using chords from the key of F if you put the capo on the second fret.
If you wish to tune by ear, you can use our online ukulele tuner as a reference. Simply play the note you want to tune from our ukulele tuner and then pluck that string on your ukulele. As both sounds are ringing, if the note is out of tune, you should hear a wavy or warbly noise between the two sounds.