A. 1. Use Cloud Storage: Consider using a cloud storage service to store your music files. This way, you can access them from any device without needing to re-upload. 2. Sync with iTunes: If you have iTunes, sync your music library across devices using iTunes to avoid re-uploading.

B. 3. Export Playlists: If you have created playlists, export them to a file that can be imported on other devices, reducing the need to re-upload individual songs.