On this page you will find the DNA ringtone in several versions, all free to download. Original song by BTS. There are 7 versions, from 17 to 51 seconds long. Tags: whistle, whistling and guitar. Click a tag below to see more ringtones like this. For iPhone or iPad download the .M4R file. For Android and other phones download the .MP3 file. To see all ringtones by BTS, use the link under the title or look at the related ringtones below.