If you're an artist, you're going to get rejected. A lot. Labels will ignore your demos. Promoters will ghost your emails. Grants will be denied. This isn't a sign of failure; it's the price of admission. Learning to detach your self-worth from these external validations is the most important skill you can develop.
The "Volume" Game
Don't take it personally. A label might love your track but have a full release schedule for the next two years. A promoter might think you're great but just booked a similar act. It's often about timing and logistics, not talent. Keep sending, keep knocking. Persistence beats talent when talent doesn't work hard.
Feedback as Fuel
If you're lucky enough to get feedback ("This isn't for us, the mix is a bit muddy"), use it. Don't get defensive. Go back to the studio and fix the mix. Use the rejection to make the next track undeniable. Every "No" gets you closer to the skills you need for a "Yes."
Building Your Own Door
The ultimate answer to rejection is independence. If labels won't sign you, start your own. If promoters won't book you, throw your own party. The most successful careers in electronic music (think of labels like defected or artists like Four Tet) were built on self-reliance. Stop waiting for a gatekeeper to let you in.