『J50: The Evolution of The Joker』では、未発表曲8曲を含む、ミラーの個人アーカイブからの27曲の未発表デモ、ライブ・パフォーマンス、スタジオ アウトテイク、リハーサルがハイライトされています。ミラーは、『ジョーカー』の曲の「進化」をガイドするナレーションも提供しています。
限定版ボックスセットには、レンチキュラーカバー、スティーブ・ミラーとアンソニー・デカーティスのライナーノーツを含む60ページの本、ヴィンテージ・ジョーカーのアイロンプリントの複製、ジョーカーのリトグラフが含まれます。

発売・販売元 提供資料 （2023/07/28）

"Youre in the wayback machine and the dial has been set to 1973," says Steve Miller at the start of J50: The Evolution of the Joker, a collection that documents the creation of the 1973 album that brought the Steve Miller Band from psych-blues cult favorites to album rock staples. Its a long journey, spanning two CDs and featuring 27 previously unreleased cuts, all assembled to follow a story narrated by Steve Miller himself. The first section features Miller playing a bunch of SMB material as solo acoustic numbers while on tour in 1972. Stripping away the band helps focus attention on the songs, preparing the listener for the rest of the collection where each cut from The Joker is surrounded by early or alternate versions intended to show how Miller arrived at the final version. This same approach also applies to such outtakes as "Lidi," "Travelin," and "I Dont Mind," a strategy that does indeed help illustrate how songs can transform either on-stage or in the recording studio. It often makes for fascinating listening but as a collective, the album can play a bit like an extended Westwood One Radio Special: its designed to be heard as a collective, not picked apart. This sense that J50 is a documentary, not entertainment, is enhanced by the fact that the original album of The Joker is not heard as an entirety anywhere on the set: its all about the sessions, not the finished product. That ensures that J50: The Evolution of the Joker is only for diehards but thats the audience this set targets: its a thorough exploration of familiar territory that manages to find something new. ~ Stephen Thomas Erlewine

Rovi