Par COHEN MARY. Mary Cohen's 'Quick Change!' is a brilliant new collection of traditional, well known pieces and scales in both alto and treble clefs, it is perfect both for violinists taking up the viola who need to build confidence playing in the alto clef and viola players who need to build confidence in both alto and treble clefs. 'Quick Change!' is the great new way to come to terms with thos…

(Clef Switching for Viola Made Easy). By Mary Cohen. For Viola. Book; String - Viola Studies or Collection. Faber Edition. Published by Faber Music