With the exception of voice students , music students at Walnut Hill take their weekly private lessons at The New England Conservatory in Boston .
With the exception of voice students , music students at Walnut Hill perform in NEC 's Preparatory Ensembles .
With the exception of voice students , music students at Walnut Hill take their weekly private lessons at The New England Conservatory in Boston and perform in NEC 's Preparatory Ensembles .