Free In Case You Didn't Know ringtone for your phone. Listen first, then download the version you like. Artist: Brett Young. There are 8 versions, from 14 to 39 seconds long. If you like slow, pop and rock ringtones, see the tags below. Two formats are available: .MP3 for Android and other phones and .M4R for iPhone. To see all ringtones by Brett Young, use the link under the title or look at the related ringtones below.