Woodwind Ensemble,Woodwind Trio Clarinet - Level 2 - Digital Download SKU: A0.1491854 By Johnson Lee. By Zubir Said. Arranged by Johnson Lee. Children,Folk,Traditional. 10 pages. Johnson lee #1068543. Published by johnson lee (A0.1491854). Semoga Bahagia is written by Singapore's Pak Zubir Said, intended to urge children to be progressive, healthy, knowledgeable, patriotic and respectful. Semoga Bahagia is still sung annually on Children's Day in Singapore. This arrangement for Clarinet Trio is intended for beginner (Intermediate to advance) - clarinet players. The 1st clarinet melody is largely in the C to Bb range (one exception to D, manageable by most primary school level clarinetist.* Note: 1. This arrangement can be performed as a duet. 2. You may substitute the Bass Clarinet with a Bb Clarinet.