The included "Sounds" can not inspire at least adults; they sound easy just tinny. But you can also play using the cable supplied songs from an MP3 player; Again, the device automatically analyzes the melody and makes appropriate dance requirements. The sound is so weak that in a normal noisy children already can no longer play the game.
Otherwise: The unit has been pre-installed batteries. A direct playback of storage media such as SD cards would certainly make sense, but is not provided.
That adults of this game are only moderately enthusiastic, is obvious. However, even regarding the children's enthusiasm in check.
Conclusion: Enthusiastic not quite.