• listening to more than one MIDI channel at once
• visualizing more than one instrument at the same time
• animate/visualize more than three simultaneously played notes
• possibility to play and analyze MIDI or other audio files
• more instruments and better animations

• Blending multiple animated images on top of each other: Very difficult to achieve, especially without massive performance lost
• Debugging - lots of “little” glitches and problems proved more difficult to solve than anticipated (e.g. “disappering” animations, imperfect blending etc.

(No certain chronological or other order)

• Recieving MIDI-Events and transferring them into useable information
• Blending a single animated image onto the background image
• Blending multiple animated images onto the background
• Created different background images with highlight-effects etc
• Colouring the animated “note”
• Controlling the different animations through the MIDI-Events