The Decomposing Piano is a semi-permanent outdoor installation exploring the effects of the Northern Ontario climate on an upright piano. Lately there has been interest among arts organizations in the phenomena of the Ruined piano. A ruined piano is a piano left outside in a natural environment for an extended period of time (see https://bolleter.wixsite.com/warpsmusic for further insights). This project is starting at the stage where the piano currently is still playable despite some tuning deficiencies, but over time will become more and more difficult to play. However, in the gradual "decomposition" of the piano over time, new sounds will be uncovered with the aid of contact microphones and subtle forms of material born amplification. Through its entire decomposition process, the public is invited to play the piano and experience its transformation over the next year to 2 years.