You need to first import the Crafty OBJ file into Blender. After that, you should have the materials in the blend file, named material_xx. Then, use this feature (F3 -> Replace imported Crafty ...
Easily import all audio tracks from multi-track video files into Blender's Video Sequence Editor (VSE). Multi-Audio Importer is a powerful Blender addon that automatically detects, extracts, and ...