アルバムには全21曲を収める予定で、ヒット曲のほか、ライヴ演奏は稀な楽曲や、新曲2曲(「This Is Our Home」「A Break In The Clouds」)も含まれる予定。またゲスト・ミュージシャンとしてエコー&ザ・バニーメンのイアン・マッカロク(Ian McCulloch)、ヤズーで知られるアリソン・モイエ(Alison Moyet)、 Lissieも参加しています。
リリースに先駆けて、『MTV Unplugged』から「This Is Our Home」のパフォーマンス映像が公開されています。
●『MTV Unplugged - Summer Solstice』
[CD1] 1. This Is Our Home (Live From MTV Unplugged, Giske / 2017) 2. Lifelines (Live From MTV Unplugged, Giske / 2017) 3. I've Been Losing You (Live From MTV Unplugged, Giske / 2017) 4. Analogue (All I Want) (Live From MTV Unplugged, Giske / 2017) 5. The Sun Always Shines On TV (Live From MTV Unplugged, Giske / 2017) 6. A Break In The Clouds (Live From MTV Unplugged, Giske / 2017) 7. Foot Of The Mountain (Live From MTV Unplugged, Giske / 2017) 8. Stay On These Roads (Live From MTV Unplugged, Giske / 2017) 9. This Alone Is Love (Live From MTV Unplugged, Giske / 2017) 10. Over The Treetops (Live From MTV Unplugged, Giske / 2017) 11. Forever Not Yours (Live From MTV Unplugged, Giske / 2017)
[CD2] 1. Sox Of The Fox (Live From MTV Unplugged, Giske / 2017) 2. Scoundrel Days (Live From MTV Unplugged, Giske / 2017) 3. The Killing Moon (Live From MTV Unplugged, Giske / 2017) 4. Summer Moved On (Live From MTV Unplugged, Giske / 2017) 5. Memorial Beach (Live From MTV Unplugged, Giske / 2017) 6. Living A Boy's Adventure Tale (Live From MTV Unplugged, Giske / 2017) 7. Manhattan Skyline (Live From MTV Unplugged, Giske / 2017) 8. The Living Daylights (Live From MTV Unplugged, Giske / 2017) 9. Hunting High And Low (Live From MTV Unplugged, Giske / 2017) 10. Take On Me (Live From MTV Unplugged, Giske / 2017)
[Blu-ray/DVD] 1. This Is Our Home (Live From MTV Unplugged, Giske / 2017) 2. Lifelines (Live From MTV Unplugged, Giske / 2017) 3. I've Been Losing You (Live From MTV Unplugged, Giske / 2017) 4. Analogue (All I Want) (Live From MTV Unplugged, Giske / 2017) 5. The Sun Always Shines On TV (Live From MTV Unplugged, Giske / 2017) 6. A Break In The Clouds (Live From MTV Unplugged, Giske / 2017) 7. Foot Of The Mountain (Live From MTV Unplugged, Giske / 2017) 8. Stay On These Roads (Live From MTV Unplugged, Giske / 2017) 9. This Alone Is Love (Live From MTV Unplugged, Giske / 2017) 10. Over The Treetops (Live From MTV Unplugged, Giske / 2017) 11. Forever Not Yours (Live From MTV Unplugged, Giske / 2017) 12. Sox Of The Fox (Live From MTV Unplugged, Giske / 2017) 13. Scoundrel Days (Live From MTV Unplugged, Giske / 2017) 14. The Killing Moon (Live From MTV Unplugged, Giske / 2017) 15. Summer Moved On (Live From MTV Unplugged, Giske / 2017) 16. Memorial Beach (Live From MTV Unplugged, Giske / 2017) 17. Living A Boy's Adventure Tale (Live From MTV Unplugged, Giske / 2017) 18. Manhattan Skyline (Live From MTV Unplugged, Giske / 2017) 19. The Living Daylights (Live From MTV Unplugged, Giske / 2017) 20. Hunting High And Low (Live From MTV Unplugged, Giske / 2017) 21. Take On Me (Live From MTV Unplugged, Giske / 2017) 22. Menu / a-ha / MTV Unplugged - Summer Solstice 23. Friedship 24. Songs 25. Project