Reunions are a dicey thing. Just ask the Eurythmics. One of the ones that worked both commercially and artistically was Bruce Springsteen 's reunion with his storied E Street Band. Springsteen and the E Streeters are celebrated for their sprawling, marathon concerts, and that sense of the epic comes across vividly.
Songs routinely run seven, eight, nine minutes long.
It's a mite exhausting to absorb in one listening.