This article examines the roles of platform-based distribution and user data in the digital music economy. Drawing on trade press, newspaper coverage, and a consumer privacy complaint, we offer a critical analysis of tech-music partnerships forged between Samsung and Jay-Z (2013), Apple iTunes Store and U2 (2014), Tidal and Kanye West (2016), and Apple Music and Drake (2017). In these cases, information technology (IT) companies supported album releases, and music was used to generate user data and attention: logics of data and attention capture were interwoven. The IT and music industries have adapted their business strategies to what we conceptualize as platform-based capital accumulation or 'platform accumulation', and models centred on controlling access and extracting rent have enabled the emergence of new monopolies and IT gatekeepers. [ABSTRACT FROM AUTHOR]