Glissando Piano

The Glissando Piano is one of the musical instruments from WarioWare: Twisted!. It is at the very far left of the instruments category. It's icon is a black piano. The Glissando Piano is basically a regular piano (the grey piano), but instead of having your finger stuck on one key, you can glide through all the keys without letting go of A. There are fifteen usable keys. The ten black keys can't be used.