Amazon Music UK head Paul Firth said: "Choice is something we don’t see at play that much in the music streaming market, so if you are a music streaming customer you can either pay £120 a year, or you can be subject to interruptions from ads or other listening restrictions through one of the free services."
Analyze the relationship between 'play' and 'music streaming' within the context of the input sentence.
Options: distribution format, subsidiary, legal form, founded by