an online sonification that converts the first 10,000 digits of pi into a musical sequence. users can select the mappings from integer to notes.
see also pi in colors.
Does Daniel Tammet know about this? Tammet holds the record for reciting pi to the largest number of places from memory and is a synaesthetic autistic who perceives numbers as colors and shapes. His drawing of his conception of pi is available as a print and is quite remarkable.
His autobiography is _Born on a Blue Day_.