Here you can listen to and download the All I Know (with Khalid) ringtone for free. The song is performed by Rudimental. 4 versions are available, from 23 to 96 seconds. More ringtones in the same style are under the tags drum & bass and salsa. Android users need the .MP3 file, iPhone users need the .M4R file. Both are free. To see all ringtones by Rudimental, use the link under the title or look at the related ringtones below.