Recently at a conference I presented my latest edublog on 3D design using Google Sketchup 8 http://3design.edublogs.org/ . I also mentioned that this same activity could be created using Minecraft creative mode. Below is a video of a school which my son designed using Minecraft creative mode and isle of tune to create the music. Please note, we couldn’t find free recording software which would play the two simultaneously, hence, it is a bit sketchy.
Below is a video introduction to isle of tune that I recorded a year ago: