| live=Unperformed[[How To Destroy Angels Live 2013]]}}[[Image:Howlong.png|thumb|Single artwork]][[Image:08_How_long.jpg|thumb|Album embedded artwork]] '''''"How Long?''"''' is a song by [[How To Destroy Angels]] from the album ''[[Welcome Oblivion (album)|Welcome Oblivion]]''. This is one of three songs from ''Welcome Oblivion'' to have its [[multitracks]] released as part of a remix contest, along with "[[On The Wing]]" and "[[Strings And Attractors]]". They can be downloaded at archive.org.[https://archive.org/details/htda_multitracks]
==Release==
"How Long? " was the third fourth single from the album, and the first single to have not been on the previous release ''[[An Omen EP]]''. It was released on 31st January 2013.