Gada Meiren Theme and Variation Fantasy is the most well-known trombone composition in China. It was originally written for solo trombone and orchestra (unpublished) by Chinese composer Youdao Ma (1938-2007). The composer adapted the Inner Mongolian folksong Gada Meiren, also the name of the Inner Mongolian hero. The trombone and piano version of this piece was first published in China in 1959. - the publisher