Overture (Halo 3: ODST)
From Halopedia, the Halo wiki
Overture is a track from the Halo 3: ODST Original Soundtrack.[1]
It contains the tracks Yet Alone, These Darkened Streets, Time to Dance, and Replacement.
The track takes place during the opening scroll, and the main menu.
<video name="Halo_3:_ODST_OST_-_Overture" width="300" align="right"/>
Sources