Sovereign cello strings by Larsen,Larsen Strings presents Sovereign for Cello A new standard in lower register power and control: Larsen Strings announces the release of Sovereign for Cello a high performance string set developed for cellists who demand greater authority, responsiveness and expressive control in their sound. Created in close collaboration with leading international artists, Sovereign represents a decisive step towards a more commanding, soloistic voice, where clarity,