Larsen Soloist Edition cello A strings are an excellent complement to strings in the Larsen Original series. Designed for enhanced projection and focus—especially at higher harmonics—Soloist A strings meet the demands for the professional-level soloist player. They are available for a full-size cello, and come in light, medium or heavy tensions with a ball end. Soloist Edition A strings have a solid steel core wound with stainless steel flat wire.