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.