名列滾石雜誌【史上最佳主唱】+Q【世紀藝人】+SPIN【史上50位偉大搖滾領銜者】+Hit Parader【史上最佳重金屬主唱】+NPR【世界50位偉大主唱】等名單，身為搖滾年代偉大傳奇，英倫重金屬派系開山祖師，入席【搖滾名人殿堂】終身會員的Led Zeppelin第一主唱Robert Plant，這張《Digging Deep: Subterranea》作品，珍藏Robert應邀Podcast系列演出之第三季(共五集)「Digging Deep – The Robert Plant Podcast Season 3」廣播節目錄音，選在東倫敦音樂天堂，也是發掘許多獨立樂團聖地Rough Trade East現場實況錄製。除了回顧個人的熟悉經典〈In the Mood〉、〈Big Log〉、〈Heaven Knows〉、〈Ship of Fools〉、〈29 Palms〉、〈Last Time I Saw Her〉、〈Shine It All Around〉、〈Angel Dance〉之外，還追入5首未曾發表曲目！
此為全球僅１萬套限量盤，僅生產一次，雙碟共30首曲目，絕對珍貴收藏！
| 編號 | 曲名 |
|---|---|
| 1. | Rainbow |
| 2. | Hurting Kind |
| 3. | Shine it All Around |
| 4. | Ship of Fools |
| 5. | Nothing Takes the Place of You *** |
| 6. | Darkness, Darkness |
| 7. | Heaven Knows |
| 8. | In the Mood |
| 9. | Charlie Patton Highway (Turn it Up - Part 1) *** |
| 10. | New World |
| 11. | Like I've Never Been Gone |
| 12. | I Believe |
| 13. | Dance with You Tonight |
| 14. | Satan Your Kingdom Must Come Down |
| 15. | Great Spirit (Acoustic) |
| 編號 | 曲名 |
|---|---|
| 1. | Angel Dance |
| 2. | Takamba |
| 3. | Anniversary |
| 4. | Wreckless Love |
| 5. | White Clean & Neat |
| 6. | Silver Rider |
| 7. | Fat Lip |
| 8. | 29 Palms |
| 9. | Last Time I Saw Her |
| 10. | Embrace Another Fall |
| 11. | Too Much Alike w/ Patty Griffin *** |
| 12. | Big Log |
| 13. | Falling in Love Again |
| 14. | Memory Song |
| 15. | Promised Land |