Utilize the input text as a context reference, choose the right relationship between available and Spotify from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Apple, the European Union and Spotify were not immediately available for comment outside regular U.S. business hours.

Answer: distributed_by