00334nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001600078100002000094245004400114260002200158650002000180204020261006003604.0120911s9999    xx            000 0 und d  a0697125661  a783.043 PAT  aChristy, Van A.  aFoundations in singing / Van A. Christy  aBrown & Benchmark  aSinging-methods