3 ms·Youtube does, and is used as a main music player for a lot of people.by killwhitey 14y agoYoutube does, and is used as a main music player for a lot of people.ashray 14y agoYes, but youtube doesn't have an offline player feature and if it did, the videos would still be larger than Grooveshark audio.tomjen3 14y agoBut it is inconvinient for large playlists and is not, primerially designed for playing video.