A versatile sideman serves as leader, filling a three-disc, nearly three-hour album with dozens of players, new ideas and transformed old ones. The title is justified.

Both the saxophonist and the collaborative trio are among the most celebrated and thoughtful jazz acts of the last couple decades. Their new quartet together remakes each others’ tunes.

The pianist performs his composition “Equipoise,” plus several inventive duets with host Marian McPartland, before an NPR studio audience.

In mid-century Philadelphia, dozens of organists made jazz a popular, swinging, danceable contemporary music. The city salutes three such pioneers: Jimmy Smith, Shirley Scott and Charles Earland.