The Department of Traditional Music has several collections:

Salmodikon from the collections. Photo: Adnan Icagic.

Sound recordings. Nearly 2000 tapes, mostly originals but also copies from other archives stored in a climate controlled store room.
Manuscripts. Nearly 30.000 pages, covering handwritten song books, note collections, background information, written interviews etc.
Phonograms (CD, LP, Cassettes). Catalogue over Sami recordingscan be found here.
Newspaper cuttings. An especially large collection on Sami music (in the period 1988-98 including Sweden)
Litterature. A library on the traditional music from Northern Norway.
Photos. The photo collection is available through Fotoarkivet on Tromsø Museum
Video.
Instruments. There are only a few instruments in the colletion.

Acerbi (1799) documented some pieces of dance music from Alta, among them a halling. These are among the oldest pieces of traditional music from Northern Norway.