Bach Preludes and Fugues 1-48, four hours and twenty minutes of continuous piano music played by Paul Barton. Extracted from https://www.youtube.com/watch?v=EuipmhKuPC8
Book 1
01) 00:00 / 02:12 – C Major, 846
02) 04:24 / 06:01 – c minor, 847
03) 07:41 / 08:54 – C# Major, 848
04) 11:09 / 14:54 – c# minor, 849
05) 20:00 / 21:05 – D Major, 850
06) 22:51 / 24:13 – d minor, 851
07) 26:30 / 30:27 – Eb Major, 852
08) 32:02 / 36:05 – eb/d# minor, 853
09) 41:40 / 43:23 – E Major, 854
10) 44:28 / 47:08 – e minor, 855
11) 48:11 / 49:14 – F Major, 856
12) 50:40 / 53:47 – f minor, 867
13) 58:38 / 01:00:09 – F# Major, 858
14) 01:02:23 / 01:03:26 – f# minor, 859
15) 01:07:16 / 01:08:05 – G Major, 860
16) 01:10:36 / 01:12:36 – g minor, 861
17) 01:14:43 / 01:16:01 – Ab Major, 862
18) 01:18:20 / 01:20:25 – g# minor, 863
19) 01:23:04 / 01:24:14 – A Major, 864
20) 01:26:28 / 01:27:34 – a minor, 865
21) 01:32:09 / 01:33:31 – Bb Major, 866
22) 01:35:16 / 01:38:43 – bb minor, 867
23) 01:42:14 / 01:43:22 – B Major, 868
24) 01:45:36 / 01:50:52 – b minor, 869
Book 2
01) 01:57:18 / 01:59:48 – C Major, 870
02) 02:01:32 / 02:03:52 – c minor, 871
03) 02:06:13 / 02:08:09 – C# Major, 872
04) 02:10:17 / 02:15:07 – c# minor, 873
05) 02:17:19 / 02:22:38 – D Major, 874
06) 02:25:57 / 02:27:41 – d minor, 875
07) 02:29:42 / 02:31:56 – Eb Major, 876
08) 02:33:49 / 02:37:40 – eb/d# minor, 877
09) 02:42:15 / 02:46:14 – E Major, 878
10) 02:48:26 / 02:52:15 – e minor, 879
11) 02:55:10 / 02:58:17 – F Major, 880
12) 03:00:00 / 03:04:24 – f minor, 881
13) 03:06:15 / 03:09:20 – F# Major, 882
14) 03:11:59 / 03:15:49 – f# minor, 883
15) 03:19:36 / 03:22:05 – G Major, 884
16) 03:23:27 / 03:27:00 – g minor, 885
17) 03:29:54 / 03:33:35 – Ab Major, 886
18) 03:36:35 / 03:40:29 – g# minor, 887
19) 03:45:35 / 03:47:22 – A Major, 888
20) 03:48:39 / 03:53:30 – a minor, 889
21) 03:55:29 / 04:02:24 – Bb Major, 890
22) 04:04:45 / 04:08:00 – bb minor, 891
23) 04:12:22 / 04:14:19 – B Major, 892
24) 04:18:19 / 04:20:50 – b minor, 893