Quoted from PoMC:

If you're a member of the Facebook group, Pinball Enthusiasts, I've been live streaming in there. Just finished a few games so I could take notes on what to tweak. I need to adjust the volume of two tracks, swap two locations and adjust song that plays for We've Got One.
I've been working off the Mudflaps Pro version. I installed that right when I got the game from a friend in a temp trade. I had to update the code to 1.17 and then just installed the Mudflaps soundtrack and only played a few games on stock sounds. So I'm not actually sure what were his edits and what are stock sounds. But these are the changes I've made:
Script 0x62D (24s11ms) - Loop that plays when a ball is in the shooter lane. This was a soft piano loop that had a cutoff during the loop. This would drive me crazy if I walked away from the game or was waiting for someone to shoot the ball. Now it's a very upbeat, funky groove that was taken from Script 0x620 and edited to fit. Perfect!
Script 0x637 (18s180ms) - this was some odd Bobby Brown clip I think and it didn't work. Replaced with another script of a short loop to fit.
Script 0x606 (29s545ms) - replaced a quiet and out of place piano clip, or maybe it was quiet and cartoony? Swapped in another script that works great. Still may re-visit this, but it's an improvement for me.
Script 0x618 (1:18s414ms) - We Got One mode. Replaced the Cleanin' Up the Town song. It worked just fine there, but I wanted something else that also kept the same vibe. So I have a section of Nutbush City Limits by Ike & Tine Turner. Just need to adjust the start of the track by 10-15 seconds.
Script 0x61B (1:35s976ms) Plays for He Slimed Me mode. Whatever song that was, I did not like it. I think it was from the soundtrack. Replaced with a James Brown instrumental track, The Scratch. Fits the vibe and no vocals interfering with game sounds.
Script 0x625 (2:54s848ms) - Spook Central mode. Absolutely did not like this track from the soundtrack. Way too 80s synth and did not fit the vibe I'm going for. Replaced with an awesome Ghostbusters remix by Kill Paris
Script 0x5FF (3:48s178ms) Can't remember what was here, probably a soundtrack song. This track plays when choosing Guess the Card and Cross the Streams games. It will continue to play if choosing Guess the Card. If you choose cross the streams, then Script 0x61D plays. Replaced with Their Law by Prodigy. Need to swap spots with this script and the one below - got them mixed up.
Script 0x61D (1:25s367ms) - Can't remember what was there, but didn't like it. This plays during Cross the Streams video mode. Replace with El Phantasmo & The Chicken Run Blast-O-Rama (Wine women and song mix) by White Zombie
Script 0x614 (2:19s994ms) - Plays during We Came, We Saw (I think that's the mode name), replaces Savin' The Day. I really hate that song, lol, totally the opposite of the music I like. Replaced with Crossfire by Stevie Ray Vaughn. Need to increase the volume.
Script 0x631 (5:53s000ms) - This original Ghostbusters theme song plays in the background during ball 3 and then in the background of all extra balls. Replaced with a faster remix of the original and I like it adding a faster pace when you reach ball 3 and beyond. Same old slow theme song gets boring.

Quoted from Deez:

Does anyone have a copy of the 1.17 code with the custom music from the film for a pro? The link is down and the creator said he's out of space on dropbox and isn't planning on sharing it anymore. I appreciate the help.