Interactive Media is a rapidly growing market and an increasingly important target for music production. The field has attracted a lot of focus from both the industry and academia, but there is still a great potential for further development of tools and formats for content creation and implementation. Even if music is an important component in media production, there is still no open file format for delivering and sharing interactive musical content between different applications, and the terminology varies between different applications. This study aims at finding useful terminologies and requirements for such a format. Over a period of eight years, students, teachers, and researchers from the Royal College of Music in Stockholm (KMH) have participated with artistic visions, prototyping and testing in the development of a JavaScript framework called “iMusicXML”. In this exploratory design study, the current state of iMusicXML is analyzed to reveal important key concepts and features drawn from more than 100 student projects. Several features and solutions that have been proven useful are presented but also critiqued due to limited perspectives. It is also suggested that a wide range of users, genres, and applications should be invited to a continuing discussion about standards for interactive music.