Siang Lom 4 Thit is a Saxophone Quartet from Horwang School, established under the Music Excellence Program in 2024. The ensemble consists of Suphavech Rungjiratananon (Soprano), Lucksaran Thongsunti (Alto), Prache Rojanavisas (Tenor), and Phurich Kosasang (Baritone). The group performs a varied repertoire including Classical, Jazz, and Pop, with an emphasis on ensemble unity, technical precision, and musical expression. Through performances and competitions, the quartet continues to refine its artistic identity with a style that is both elegant and dynamic.