original soundtrack
... that the composer of Rocket League used his old music to create the game's original soundtrack?
... that the composer of <i id="mwAUU"><a href="./Rocket_League" id="mwAUY" rel="mw:WikiLink" title="Rocket League">Rocket League</a></i> used his old music to create the game's <b id="mwAUc"><a href="./Music_of_Rocket_League" id="mwAUg" rel="mw:WikiLink" title="Music of Rocket League">original soundtrack</a></b>?