Utilize the input text as a context reference, choose the right relationship between radio and music streaming 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.

As the tech giant rolled out Apple Music, its new music streaming service, Rogers oversaw the radio portion.

Answer: distribution_format