Search term: “anniversary background music” or “happy anniversary instrumental” | Service | Cost | Notes | |---------|------|-------| | Amazon Music | ~$0.99–1.29 per track | Buy MP3, download directly | | iTunes Store | ~$0.99 | AAC format, can convert to MP3 | | Google Play Music (legacy) | Still works via YouTube Music → download | Requires purchase | | Bandcamp | Pay-what-you-want or $1+ | Direct MP3 download |