Analysis of information sources in references of the Wikipedia article "Adaptive music" in English language version.
Frustrated with the state of music in games at the time, two composers at LucasArts Peter MccConnell and Michal Land created one of the first adaptive music systems, called iMuse. iMuse (Interactive MUsic Streaming Engine) let composers insert branch and loop markers into a sequence that would allow the music to change based on the decisions of the player. The iMuse engine was one of the first significant contributions to interactive music for video games. Its importance in shaping many of the techniques that you see in video games today cannot be overemphasized. (...) Other excellent iMuse titles includes Grim Fandango (1998), which features an incredible jazz-based soundtrack composed by Peter McConnell. (...)