Downloadable software in the nature of a mobile application for searching, via self-contained and/or external database and with the user's ability to select from multiple customizable criteria and display options, statistics on all concerts performed by the Grateful Dead (American rock band) and/or by the various members thereof solo and/or in conjunction with other members of the Grateful Dead and/or musicians unaffiliated with the Grateful Dead, then displaying navigable results for such se...