20th Century. Russian composer. A variety of etudes which emphasize training in rapid single tonguing, triple tonguing with both repeated and changing pitches, articulation differentiation, rhythmic precision, variety of key signatures, singing/legato style, grace notes, and chromatic fingering. Variety of tempos and styles such as a march, polka, scherzo, waltz, maestoso, etc. Editor adds specific suggestions and troubleshooting for each etude to help student focus on the technical skills inherent for that etude. -pc