Let Me Hear;Let Me Hear feat. 鏡音レン V4X (Unknown), 鏡音リン V4X (Unknown);PLAMA;This Sound EP;1;1 Changeable;Changeable feat. 結月ゆかり;PLAMA;This Sound EP;1;2 Memories;Memories feat. 結月ゆかり;PLAMA;This Sound EP;1;3 Leaving;Leaving feat. 結月ゆかり;PLAMA;This Sound EP;1;4 This Sound;This Sound feat. 結月ゆかり, PLAMA;PLAMA;This Sound EP;1;5 Into The Dream;Into The Dream feat. 鏡音レン V4X (Unknown);PLAMA;This Sound EP;1;6 Coward's Waltz;Coward's Waltz feat. 鏡音リン V4X (Sweet), 鏡音リン V4 (English);PLAMA;This Sound EP;1;7