Music: Once It Starts by supergarage
Music: Echo Instrumental (Mastered) by Crusher-P
Original: 【VOCALOID Original】ECHO【Gumi English】
Music: AGAIN - INSTRUMENTAL by Crusher-P
Original: 【VOCALOID Original】Again【Gumi English】
Music: Conscience Killer by Black Rebel Motorcycle Club
Music: Echo Instrumental (Mastered) by Crusher
Source: 【VOCALOID Original】ECHO【Gumi English】