Alternativas ao YouTube Audio Library para iPhone com licença comercial

• iPhone
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear Pebble iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) Oculus Rift HTC Vive Gear VR OSVR Playstation VR Xbox Playstation Fire TV Chromecast Roku BSD Windows Mobile Java Mobile Haiku AROS S60 Apple TV Daydream MorphOS HP webOS AmigaOS
• Licença comercial
  Qualquer licença Licença gratuita Licença Open Source Licença comercial