Playing your Study Song at an Open Mic

Hi David,

I have a friend who is an experienced guitarist and who has done many open mic performances. He has asked me to accompany him on harmonica at events (stardom at last ;-). I would like him to learn some chords so that I can play the Study Song 'Feelin' for the Blues'. Is this OK with you?

I'm sure we will never be earning a lot of money from playing but I thought I'd check with you out of respect.

Thanks,

Mark