Input (grade 13): The band consists of vocalist and rhythm guitarist Alexander Gaskarth, lead guitarist and backing vocalist Jack Barakat, bassist and back vocalist Zachary Merrick, and drummer Rian Dawson.
Output (grade 6): The band's lead singer and guitarist is Alex Gaskarth. The other band members are guitarist Jack Barakat, bassist Zack Merrick, and drummer Rian Dawson.