For Oboe, Clarinet, Bassoon. By Marvin Carlton. For Oboe, English Horn & Bassoon. By Marvin Carlton. PROGRAM NOTES:Trio was composed for Pear Tree, a double reed trio, and was premiered at the International Double Reed Society Conference in Provo, Utah, in July 2008. The work is in three movements, each a series of short dance episodes that express a variety of moods. Each instrument in Trio is featured prominently throughout the work.