try Binyomin Borenstein for a great Band, I've seen him recently at some events when I was in the states, great music, leibidig, 732-905-6722 (also - he is Asher Barkin's cousin, I don't know if he knows that)
Do you want a Chabad style wedding band, Lipa? Classic Chassidish? Litvish Yeshivish?