Here are a couple books of sheet music for all you musicians out there!
https://www.chrissiddallmusic.com/store/c10/%22in_Full_Score%22_Series.html
Alien In Score
https://www.chrissiddallmusic.com/store/p89/Alien_In_Full_Score.html
Aliens In Score
https://www.chrissiddallmusic.com/store/p56/Aliens_In_Full_Score.html
Did an interview with Chris a couple of years back when his Aliens score came out.
https://x.com/studioyutani/status/1377518815911809029?s=46&t=My2uIyG1oFntJxRW2VkPlQ