System, method and computer program product to intelligently correlate ambient sensor signals, chronographic information, daily life schedule information, and/or external meteorological information with a user's previous music media file selection patterns for predicting future music media file play recommendations to a user of a portable media player. The sensors include but are not limited to a meteorological sensor, a physiological sensor, a geo-spatial sensor, a motion sensor, an inclination sensor, an environmental sensor, and a combination thereof. Music media file selection information includes user spontaneous selections of music media files and/or user acceptances or rejections of software suggested music media files. Various embodiments of the invention provide for gait matching and/or tempo adjustment in dependence on the received sensor signals and the selection, suggestion and/or automatic play of music media files.