96 minutes of Armstrong Powerhouse's excellent audio work for the British Rail Classes of Train Simulator.
This video includes almost every pack I own, which is a majority of the packs that AP have made.
Timestamps:
0:00 - Class 20
1:48 - Class 31
3:55 - Class 33
5:30 - Class 37
7:16 - Class 37/9
9:41 - Class 40
11:49 - Class 43 Valenta
15:06 - Class 43 MTU
17:36 - Class 43 VP185
20:28 - Class 47
22:30 - Class 50
24:47 - Class 52
26:32 - Class 55
28:40 - Class 56
31:22 - Class 57
33:40 - Class 60
36:25 - Class 66
38:52 - Class 67
41:15 - Class 86
44:05 - Class 90
45:58 - Class 91
48:40- Class 101
50:32 - Class 142
52:17 - Class 150/2
54:00 - Class 158 Cummins
56:07 - Class 158 Perkins
57:59 - Class 170
59:50 - Class 205
1:01:40 - Class 220
1:03:40 - Class 303
1:05:40 - Class 313
1:07:31 - Class 315
1:09:10 - Class 319
1:11:10 - Class 321
1:13:17 - Class 350
1:15:16 - Class 365
1:17:05 - Class 377
1:19:38 - Class 390
1:22:30 - Class 421/423
1:24:14 - Class 442
1:26:20 - Class 444/450
1:28:35 - Class 455
1:30:06 - Class 456
1:31:46 - Class 465/0 BREL/ABB
1:33:46 - Class 465/2 Metro-Cammell