Some 44% of Americans aged 12 and up listen to online radio on a weekly basis, up from 36% last year and 33% the year prior.
US teen internet users said they found something else to listen to and waited for the original music to be available for streaming.
Teen consumers studied spent more time with streaming audio each day than AM/FM radio.
The music industry has been using data analytics to discover musicians based on data from the Shazam music discovery app.
Nearly 80% of respondents who used both Spotify and Pandora said they were replacing time on Pandora with Spotify.
51% of US internet users reported listening to music via Pandora—nearly double those who did so in December 2013.
Multicultural consumers are more digitally connected to music than the total market.
Pandora and iHeartRadio took first and second place with a 31% and 9% share of the market respectively.
Among core radio listeners interested in finding out about new music and artists, AM/FM radio (on any device) is easily the top single option, for roughly 51% of respondents.
In 2012, music listeners in the UK streamed 3.7 billion tracks, according to BPI; in 2013, that figure doubled to 7.4 billion.