Tell him to get some hardware to go with your mixer.

Any guitarist/singer should invest in some great accompanying tools:

Digitech Volcalist
Jam Man
Chorus, Delays, etc., and mic types can be dialed in before attaching to your mixer...and, I'd also sugest some sort of a compressor/finalizer, like the Behringer Ultramizer 9024 for final mixdown.

It's all "just money", but makes life gigging or recording much more satisfactory and enjoyable.

http://www.thegigbaby.com