WWW.AZCHORDS.COM | The Drums - Down By The Water Tabs | Ver. 1
There might be more to it but from what I can work out this
riff is simply repeated through the whole of the song:
-/-----------------------------------------------------------------|
-/-----------------------------------------------------------------|
-/-----------------------------------------------------------------|
-/-----------------------------------------------------------------|
-/-7-7-7-7-7-7-7-6-4-4-4-4-4-4-4-2-0-0-0-0-0-0-0-4-2-2-2-2-2-2-4-6-|
-/-----------------------------------------------------------------|