I'm having the Trio play during the ceremony. I really liked the idea of classical music played during the walking down the isle, etc...
I had my doubts about the Trio also. I had really bad images in my mind of off-key music playing while I walked down the isle, and asked Coca about it. She said that the Trio is very good, and that they play in many weddings. When I needed to pick songs for the Trio to play, I asked which songs they would know. Coca said said that pretty much they know everything, rarely did they NOT know a song that a bride has requested. If they are that knowledgable with the songs, I would think that they are very experienced.
I hope this helps.