Audio (345 programs)
Pros: Download a la carte tracks. Thousands of songs to choose from.
Cons: Only available to US customers. Subscription based fee for monthly use.
Pros: Support for various audio formats. Free to download.
Cons: Contains ads. Difficult to search for music files.
Pros: Huge catalog of songs. Unlimited skips. Lets you really refine your stations. Offers curated stations.
Cons: Some bugs, as still in beta stage. Ugly user interface.