Unpredictable stands as an early testament to the raw energy that defined 5 Seconds of Summer during their formative years. Released on the 2012 Somewhere New EP, the track captures the band's transition from local Australian acts to international pop-punk sensations. The recording showcases the tight, guitar-driven sound that would later characterize their debut studio album, blending youthful angst with polished production. As part of their initial wave of singles, the song highlights the group's ability to craft catchy, emotive melodies that resonated with fans seeking authentic rock influences in a pop landscape. This work remains a significant song in their discography, illustrating the musical foundation they built before achieving global chart success.