from King of Limbs (2011)
( tabs/r/radiohead/bloom_btab.html )
This riff comes in at 0:47, with the notes in brackets only played once or twice.
It continues until 2:17.
It comes back at 3:24 until 4:41 ending on
The second half is then played right at the end, at 5:01, also ending on
It’s also likely that
is used as a background sound throughout the song.