The Dota 2 (Official Soundtrack)
Valve Studio Orchestra

Dota 2 is a multiplayer online battle arena video game and the stand-alone sequel to the Defense of the Ancients (DotA) mod. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
1 official release. Open one in your streaming app.
Valve Studio Orchestra
The Dota 2 soundtrack was composed by Valve Studio Orchestra for the game by Valve. OSTDB lists one official release: The Dota 2 (Official Soundtrack). Listen to the Dota 2 OST on Spotify. The game is available on Linux, PC (Microsoft Windows), and Mac. It is part of the Dota series.
6 of 7 images, via IGDB.
The Dota 2 soundtrack was composed by Valve Studio Orchestra.
The official Dota 2 OST is available on Spotify. OSTDB links each official release directly, so you can open it in your streaming app.
There is one official Dota 2 soundtrack album listed on OSTDB: The Dota 2 (Official Soundtrack).
Yes. OSTDB collects the official soundtracks of every game in the Dota series on one page.