Welcome! 15 March 2023 05:55 Updated Welcome to the Sequential Help Center! You'll find FAQs, troubleshooting guides for our instruments, and general synthesis information. Search for anything you don't see at first - we are constantly updating and reorganizing. Related articles Key Velocity and Envelope Amount Audio Mod explained Pulse Width 0-1 or 98-99 no sound or sounds wrong? Backing Up User Sounds Over MIDI Prophet 12 Module Troubleshooting