Hermawan, Ivan Chris, and Hery Murbianto M.Sn. “SAXOPHONE INSTRUMENT ARRANGEMENT BY GRUB SAXOBROTHER IN THE SONG RUNGKAD COVER HAPPY ASMARA”. APRON Jurnal Pemikiran Seni Pertunjukan, vol. 12, no. 1, Jan. 2024, pp. 31-43, https://ejournal.unesa.ac.id/index.php/apron/article/view/58708.