Prof. Dr. Andrey Diamandiev graduated from SMU “Lyubomir Pipkov” with a specialty in piano under Lyudmila Chenkova and Olga Kavlakova and NMA “prof. Pancho Vladigerov” majoring in composition under Prof. Dimitar Tapkov in 1988. He was the assistant conductor of Prodan Prodanov in the amateur choir at DZI. Author of two symphonies (No. 1 – performed at the review “Young Bulgarian Music” in 1989 by the Vidin Philharmonic with conductor Andrey Andreev; No. 2 – at the Festival of Bulgarian Professional Music in 2000 under the direction of Carlos Riasoello with the Symphony Orchestra of the BNR ), String Quartet (performed at “New Bulgarian Music” 1996 by Novislav Mihailov Quartet), Piano Sonata (recorded and performed by Mihail Slavov at the International Festival РIANISIMO’2002), Sonata for Violin and Piano (2006).
Author of music for the film “The Golden Knife” by Nicaraguan director Miguel Rodríguez. Member of the Union of Tribologists.
Since 1993, he has been successively a part-time and full-time assistant in instrumentation and orchestration, as well as in harmony at the Department of “Musical Theoretical Disciplines” at the NMA “Prof. Pancho Vladigerov”.
In 2003, he defended his doctorate on the topic: “Functional phenomena at the boundaries of the major-minor tonal system”. Since 2005, he has been a principal assistant in harmony, instrumentation and orchestration. He currently teaches all three disciplines in all faculties of the National Music Academy. Since 2007, he has been an associate professor of instrumental science and orchestration. His habilitation thesis “Orchestral Harmonic Problems of Postmodernism in the Work of Djord Ligeti” was published in Musical Horizons, 2007, No. 1-4.

Other more important publications of his are:
“Interfunctional Tone and Chord Relations” (Contact ’98);
“Influence of interfunctions on the specificity of functions in the context of the major-minor tonal system” (Contact ’99);
“Interfunctional tonal and chordal relations beyond the boundaries of the major-minor tonal system” (Contact ‘2000).
“Interfunctional chordal relations in the context of the major-minor tonal system” (Musical Horizons, 2000, No. 9).
“The Interfunctional Approach in Scriabin’s Sixth Piano Sonata” (In: Musical Challenges of the Early 20th Century. SMS, S., 2003),
“The harmony of Schütz – an insight into the future” (In: From the early baroque to the nascent classicism. SMS, S., 2005),
“Orchestral harmonic solutions in Bozhidar Abrashev’s Symphony No. 2”,
“325 years of European Waldhorn school”.
There are various theoretical works in the field of harmony, musicology and philosophy; doctoral thesis on “Functional phenomena at the boundaries of the major-minor system”.

Works for symphony orchestra:
Symphonies:

Symphony N1 (1988); Symphony N2 (2000).

Works for string orchestra:
Sinfonietta.

Chamber Music:
Wind Quintet; String Quartet (1996).

For piano:

Sonatas; Miniatures; Opposite Movement and Fugue.