Bincika Buster Bros!!! -Before The 2nd D.R.B- na Hypnosis Mic -D.R.B.- (Buster Bros!!!), wanda aka saki a ranar . Kundin waƙoƙi 4 wanda ya haɗa da 'School of IKB', '安魂曲'. Samu cikakken kididdigar yawo, nazarin kowace waƙa, da ma'aunin shiga na masu sauraro.
