Orbital
From Tardis Wiki, the free Doctor Who reference
Orbital are a British electronica group.
In 1999, they recorded and released a rendition of the Doctor Who theme called "Doctor?", which was used for BBC Two's Doctor Who Night.
In 2003, BBC DVD included Orbital's version of theme on their DVD releases of that year as part of a video montage to celebrate Doctor Who's 40th anniversary.
In 2007, CBBC used Orbital's version of theme on trailers for The Infinite Quest.
In 2010, Matt Smith performed with Orbital at a concert using the sample of the Doctor Who theme tune.