With the advent of online audio resources and web technologies, digital tools for sound designers and music producers are changing. The Internet provides access to hundreds of thousands of digital audio files, from human- and nature-related environmental sounds, instrument samples and sound effects, to produced songs ready to use in media production. In relation to the vast amount of creative content available online, an emerging community has forged a culture of sharing. Creative Commons (CC) appears as a legal framework to support such initiative enabling the reuse and remix of creative artifacts. Through exploring five use cases, we discuss key concepts and challenges related to the use of Audio Commons content for linear media production.