Echo（必有回响）
Shmily
还款日
Echo, 华云龙KLE
Echo (Jellyboy )
Shmily
ECHO
極
Vivy (feat. echi)
Miraie, Echi
ECHO（五人唱见双声道/ShakingHigh Remix）
ShakingHigh
echo (feat. 初音ミク)
higma, 初音ミク
ECHO
Crusher-P, GUMI
Echo
ECHO
Echo
THE BOYZ
ECHO
GUMI, CircusP, Crusher-P
Echidna
Northern Dreams
falling for you (feat. sumther, Alys, chougaki & stephanie)
Echi, sumther, Alys, chougaki, Stephanie
Melatonin (feat. kinji)
Echi, Kinji
Desire (feat. kid sora & kinji)
Echi, Kid sora, Kinji
Echi
Swing Apache Arkestra
Echi (I) (feat. Gianluca Pischedda)
Stefano Guzzetti, Gianluca Pischedda
Echi (II) (feat. Gianluca Pischedda)
Stefano Guzzetti, Gianluca Pischedda
Echi (with Andrey Manchev, Grigory Deratsuev, Vitaly Perov & Aram Rustamyants)
Renzo Ruggieri, Andrey Manchev, Grigory Deratsuev, Vitaly Perov, Aram Rustamyants
Echi
Thierry Lang
Echi
Michele D’Alessandro
Echi
Ogene
Barça
Echi
Echi
Militia
Echi
Priska
Echi
Space Jazz Trio
Echi
Heads or Tails
Echi-tinna
Echi
Echi
Priska
Echi
Meka E