Lorna Taylor . Go Fourth - Position changing for the Cello (Cello and Piano/CD). Cello Tutor, Cello & Piano. Complete with Cello part, pull-out piano accompaniment and CD. Easy to follow, structured material to teach pupils whatever their age, 4th position and the process of shifting between 1st and 4th positions. These cello tunes have fairly easy but effective piano accompaniments. See also 'Taylor Made'..