This section includes collections of 182 private and musical organizations and groups of different types with 155992 objects in it. The main part is formed by the private collections of Armenian composers, conductors, musicologists, singers, musicians. The founder of the Armenian Opera Art Tigran Chukhachyan’s collection is the oldest one with hand-written notes of the main works of the composer (scores, clavier).

The collections of the great composers of 19-20^th centuries K.Kara- Murza, M.Yekmalian, Komitas, N.Galanderyan, A.Tigranyan, A.Spendiaryan, R.Melikyan and others are of great value .Among them the inheritance of the genius of Armenian musical Art Komitas stands out by its size and value, including autographs of Armenian European notation, writings of Armenian folk and spiritual songs, works of different genre, researches, manuals, manuals, written and received letters, documents, documents, photos, musical instruments. Part of this collection is represented in the permanent exhibition of the museum and in Komitas Hall. There are various materials concerning Komitas in others’ collections especially among the archival materials of his close friend, singer and musician M.Babayan. Like Komitas , M.Babayan’ herself has also been in creative relations with many famous musicians of the period. She has got letters from M.Ravel, K.Debussy, P.Viardot, E.Lalo, P.Dukas and other world-famous persons.

The musicologist Barsegh Korganov’s collection concerning the foreign musicians is much more valuable. Here you can find numerous letters (mainly original) written in German, English, Italian, French in 18-20^th centuries. The letters have been written by such famous artists as I.Forkel, F.Fetis, E.Hanslick, J.Massenet, Shindler. Here you can also find great Mozart’s letter written in 1778 in Paris the day when his mother died.

Besides the works of the musicians there are also unique materials in Korganov’s collection as autograph letters and notes of Louis the 14^th, Napoleon Bonaparte, Fatali Shah of Iran, some Russian Tsars, Counts, Lords and Generals.

In addition to autograph works there are also photos, musical instruments and works of fine art in private collections. Creations of Armenian bards (ashugh),various materials concerning the history ofArmenian music, hand-written song-booksare particularly classified in thecollections.The most memorableinstruments kept in musical section are Sayat-Nova’s kamancha (oriental stringedinstrument), Givani’s violin, Komitas’spiano, harmonium and different types ofpipes, Elmas’s piano got from Switzerland...

The rich materials of themusical section give the opportunityto study thoroughly both theinheritance of gr eat creators and thehistory of Armenian music from thesecond part of 18^th century up to the20^th century and its relations withEastern and Western Music Art.