MECMenu - Music used in Mideast Crisis 1, composed by Tim van Geel
MEC2_REGIONAL_AMBIENT - Used during exploration/base building
MEC2_REGIONAL_COMBAT - Used during combat
Both MEC2 tracks are composed by Jonathan vd Wijngaarden.
Links:
http://www.isotx.com/mec2/
http://www.musicbyjonathan.com/
