TITLE: Before you post your song Before you post your song, check what the platform lets others do with it. But do not mistake an audio-reuse switch for a universal AI opt-out. You can put a copyright notice on an eligible work you own without waiting for federal registration. And if registration has to wait, give the work a starting record now. SpinStream's Permanent Mark gives it an address and an AIN—an Artifact Identification Number—for $4.99 once. It keeps the work's identity and your creator claim together. Registration can come later; deeper proof can grow around the same AIN. Keep your private original with you. You can encrypt and store it independently. One work. One record. One AIN. Start at landing.spinstream.xyz.