1. Change the drum kit or the synth sound — a new sound suggests new ideas.
  2. Transpose up or down a step; a different key can change the whole mood.
  3. Open a starter song and change one thing at a time until it's yours.
  4. Loop This Part on the part you're stuck on and just play over it for a few minutes.
  5. Take a break. Listen tomorrow — you'll know what to fix.