ISO Pond Repair & Guitar Lessons

I have two very different requests. First, I'm looking for someone to do some pond maintenance/repair work. I received an estimate from North Hills Water Garden at Best Feeds a couple of years ago for this work based on recommendations I had received on the list serve. But I wasn't able to have the work done at that point and now I can't seem to reach anyone (left phone and email messages) there. Does anyone have other recommendations? Second, I'm looking for someone to teach beginning guitar to one of my teenagers (aged 14). Any recommendations would be appreciated. Thanks! Rob Schwartz