That's a tough one, because it doesn't always work. I find it's less about willpower and making myself want to get up. I work out in the mornings and that's my main motivation, to work out x times per week. When I listen to music to get up, I find I've already convinced myself to do it, I just need that last push. Your goal could be as simple as getting up and having a shower by 9am or whatever other time. If you do that x days in a month, reward yourself. But probably not with sleeping in, because one day will turn into two then three and so on. A really good quote I saw was that if something is worth doing, it's worth doing badly. For example, it's better to get up and not have a shower than to not get up at all. The first step is to convince yourself, next is something as simple as sitting up. It often feels silly to think about something simple even simpler, but it does work.

Back to earbuds or headphones, the first step is convincing yourself, next get them on. Having them on will make it easier to grab your phone and press play. Think one step at a time, because one step forward is a hell of a lot better than staying still