The playlist is #1 solution for play any quantity of songs unlimited when you are on the ride, Driving a car and DJ Parties. So now I am explaining how to create and Edit playlist on iPhone, iPad, iPod Touch Apple music app. Quite a confusion compares to music app but easy to Create Apple
Now on YouTube you can watch different videos of movie, TV Episode, Documentary and Videos songs continually without selecting manually one after another manually. From here get how to play YouTube video continuously on iPad, iPhone and iPod Touch in loop. Most of the YouTube channel sharing/ uploading whole stream in different video part segment
After Paired/Setup Apple watch with iPhone, Apple watch user can stream or play music on Apple watch or control through watch screen. In this case you can create music playlist in Apple watch. And then user can listen with Apple watch Bluetooth headphones. Here you can learn how to create music playlist in apple watch.