Some lovely peaceful music from these games. Timestamps as requested:

00:00 Kuldahar Theme (Icewind Dale)
01:18 The Lady's House (Baldur's Gate)
02:15 Melissan's Theme (Throne of Bhaal)
03:50 The Druid Grove (Baldur's Gate II)
04:38 Wyvern Crown of Cormyr Smoke and Ash (Neverwinter Nights Premium Adventures)
06:30 Exploring the Plains (Baldur's Gate)
07:50 Night on the Plains (Baldur's Gate)
10:00 Temple of Tempus (Icewind Dale)
11:45 Farmlands (Neverwinter Nights)
13:00 Heart of the Forest (Neverwinter Nights)
14:59 Aarin Gend (Neverwinter Nights)
15:32 Castle Never (Neverwinter Nights)
16:44 Arundel's Home (Icewind Dale)
17:43 Temple of Helm (Baldur's Gate II)
18:29 Kalah's Theme (Baldur's Gate II)
18:52 The Planar Sphere (Baldur's Gate II)
19:31 Wyvern Crown of Cormyr Solace (Neverwinter Nights Premium Adventures)
21:04 Romance 1 (Baldur's Gate II)
23:06 The Friendly Arm Inn (Baldur's Gate)
24:29 Wyvern Crown of Cormyr Tears (Neverwinter Nights Premium Adventures)
26:24 Elventree (Neverwinter Nights Tyrants of Moonsea)
27:50 The Mage Tower (Icewind Dale)
28:48 Bonus Track (Icewind Dale)
30:27 Easthaven in Peace (Icewind Dale)
31:41 Hrothgar's Home (Icewind Dale)
32:37 Safe in Beregost (Baldur's Gate)
34:13 Wyvern Crown of Cormyr Ogma (Neverwinter Nights Premium Adventures)
36:20 The Beregost Night (Baldur's Gate)
37:39 Dreams of Bhaal (Throne of Bhaal)
39:17 Helm's Temple (Baldur's Gate)
39:59 Baldur's Gate Nightfall (Siege of Dragonspear)
41:13 Wyvern Crown of Cormyr Open Road (Neverwinter Nights Premium Adventures)
43:05 The Hidden Refuge (Baldur's Gate II)
44:06 Jaheira Romance (Baldur's Gate II)
45:15 Silver Sails Company (Neverwinter Nights)
46:43 Resurrection (Neverwinter Nights)
47:45 Romance 2 (Baldur's Gate II)
48:57 City of Neverwinter (Neverwinter Nights)
51:01 Heroes and Tyrants (Neverwinter Nights Tyrants of Moonsea)
51:37 Skeleton of a Town (Icewind Dale II)
52:52 Waterdeep, City of Splendors (Neverwinter Nights Hordes of the Underdark)
55:02 Neverwinter Wood (Neverwinter Nights)
56:36 Crusaders at Coast Way Crossing (Siege of Dragonspear)
58:09 Wyvern Crown of Cormyr Morfen (Neverwinter Nights Premium Adventures)
59:23 Return to Kuldahar (Icewind Dale II)
1:00:51 Aribeth de Tylmarande (Neverwinter Nights)
1:01:27 Homesteads (Neverwinter Nights)
1:03:03 Swaying Bough Inn (Neverwinter Nights Tyrants of Moonsea)
1:04:38 Chant of the Black Ravens (Icewind Dale II)
1:05:42 The City Core (Neverwinter Nights)
1:07:25 Beorunna's Well (Neverwinter Nights)
1:09:03 The Flowing Caves (Icewind Dale Heart of Winter)
1:09:47 The Town of Lonelywood (Icewind Dale Heart of Winter)

Pictures are screenshots as well as concept/promotional/fan art of the games that I found on the web there's not as much as I thought there would be. Composed by Michael Hoenig, Jeremy Soule, Inon Zur, David John, Sam Hulick, and Mark Braga.