Willisau (Quartet) 1991 - Studio/Live
AlbumTracklist 258:31
CD 1
| 1 | No. 160 (+ 5) + 40J | 11:26 | |
| 2 | No. 23M (+ 10) | 15:03 | |
| 3 | No. 158 (+ 96) + 40L | 17:04 | |
| 4 | No. 40A | 8:24 | |
| 5 | No. 40B | 12:13 |
CD 2
| 1 | No. 161 | 5:55 | |
| 2 | No. 159 | 12:47 | |
| 3 | No. 23C + 32 + 105B (+ 30) | 23:48 | |
| 4 | No. 23M (+ 10) | 10:28 | |
| 5 | No. 40M | 12:03 |
CD 3
| 1 | No. 67 (+ 147 + 96) / No. 140 (+ 147 + 139 + 135) / No. 34A / No. 20 + 86 / No. 23G (+ 147 + 30) (Part 1) | 13:22 | |
| 2 | No. 67 (+ 147 + 96) / No. 140 (+ 147 + 139 + 135) / No. 34A / No. 20 + 86 / No. 23G (+ 147 + 30) (Part 2) | 16:03 | |
| 3 | No. 67 (+ 147 + 96) / No. 140 (+ 147 + 139 + 135) / No. 34A / No. 20 + 86 / No. 23G (+ 147 + 30) (Part 3) | 17:28 | |
| 4 | No. 67 (+ 147 + 96) / No. 140 (+ 147 + 139 + 135) / No. 34A / No. 20 + 86 / No. 23G (+ 147 + 30) (Part 4) | 13:29 | |
| 5 | No. 67 (+ 147 + 96) / No. 140 (+ 147 + 139 + 135) / No. 34A / No. 20 + 86 / No. 23G (+ 147 + 30) (Part 5) | 11:35 |
CD 4
| 1 | No. 69 (O) + 135 / No. 69B / No. 107B (+ 96) / No. 101 / No. 23N (+ 112 + 108A + 33) (Part 1) | 17:23 | |
| 2 | No. 69 (O) + 135 / No. 69B / No. 107B (+ 96) / No. 101 / No. 23N (+ 112 + 108A + 33) (Part 2) | 17:04 | |
| 3 | No. 69 (O) + 135 / No. 69B / No. 107B (+ 96) / No. 101 / No. 23N (+ 112 + 108A + 33) (Part 3) | 9:10 | |
| 4 | No. 69 (O) + 135 / No. 69B / No. 107B (+ 96) / No. 101 / No. 23N (+ 112 + 108A + 33) (Part 4) | 13:46 |