Kothluwalawa by Eat Static. I have lost my original disc though, and I only have a 256kbit/s rip. Very sad. It's not super low frequency, but the bass track is a didgeridoo. I used to listen to this on repeat while playing X-COM. Edit: I just ordered an as-new CD on amazon =)

Cave: Trinnov Altitude CI-8; Oppo 203 Vanity HD; 6xDSP5k, DSP5kC, D1500; Sony Z9D, PS5 Pro; Apple TV 4K
Living: Wiim Pro; Rega Planar 1+; 2xDSP5k
Master: Wiim Pro; 2xDSP3100
Kitchen: Bluesound Flex stereo pair / Amazon Echo Studio
Deck: Wiim Mini; Random Chinese Class D; Cambridge Soundworks Outdoor 52s; Polk Sub;
Garage: Wiim Pro; 2x5k