Flexibility = La Souplesse. By Slokar / Reift. For trumpet, cornet, horn in Eb, ...(+)
Flexibility = La Souplesse. By Slokar / Reift. For trumpet, cornet, horn in Eb, euphonium, or bass (Eb or Bb). Swiss import. Instructional Methods; Etudes. Level: 2-4+. Instructional method. Published by Editions Marc Reift. (EMR 116)
