In their shared goal of communicating left-wing principles to children through music, Marc Blitzstein's Worker's Kids of the World (1935), Aaron Copland's The Second Hurricane (1937), and Alex North's The Hither and Thither of Danny Dither (1941) exhibit a fundamental unity of purpose that binds them both to each other and to the extensive leftist pedagogical efforts of their time. By observing the parallel relationship among these three children's works and contemporary youth organizations, summer camps, and children's literature, their cultural objectives and stylistic idiosyncrasies emerge as expressions of a continuously evolving educational tradition. Whereas Worker's Kids comes out of the revolutionary Communist aesthetics of the Composers' Collective and the militant activism of The Young Pioneers, The Second Hurricane and Danny Dither reflect the increasingly accommodating educational efforts of the American Popular Front.

The Concerto for Trumpet and Orchestra and the Sonata for Trumpet and Piano by Karl Pilss were written in 1934 and 1935, respectively. They are examples for solo trumpet of the late German Romantic style of melody, harmony, form and structure. Musicians and audience often overlook composer Karl Pilss outside his native Vienna. His ties to the Trompeterchor der Stadt Wien and the National Socialist Party during the years preceding the Second World War have limited widespread acceptance of this composer. Pilss' output includes concertos for trumpet, horn, bass trombone, and piano, sonatas for trumpet, violin, and oboe, wind quintets and octets, piano pieces, choral works, and numerous large and small brass works. Pilss' teacher Franz Schmidt is more widely known. His four symphonies provide examples of post-Romanticism at the beginning of the twentieth century. His characteristic use of melody, harmony, form and structure is in the mold of Richard Strauss. Schmidt did not write any works for solo trumpet. However, his Symphony No. 4 begins and ends with extended passages for solo trumpet. Pilss inherited and adopted many of Schmidt's melodic, harmonic and formal traits. These can be clearly heard in his Concerto for Trumpet and Orchestra and the …