The album called The Harlem Experiment lives up to its name, with a sometimes-unexpected match of artists and songs to evoke the musical hotbed of New York's famously diverse neighborhood.
In an experiment popularized by the book of the same name, volunteers were told to keep track of how many times a basketball was passed between players.
Alex (his name supposedly an acronym for Avian Learning Experiment) eventually learned the names of about 50 objects, knew the numerals from one to six, could perform simple addition and used categories such as similarity and difference, shape, colour and material.