Alisa Weilerstein: 'When getting ready to play in public I find it's so helpful to play for my friends and for people who know me really well, because it's actually more difficult to play for them than it is to play for an audience full of strangers'

Cellist Alisa Weilerstein speaks with Paul Katz at Boston's New England Conservatory of Music about the process of taking a work from the practice room to the stage.

Watch: cellist Alisa Weilerstein on memorising music