Marcos Sampaio is a composer, professor, and researcher in Music Theory and Composition. He has a Ph.D. in music composition from the Federal University of Bahia.

He is an Associate Professor at the Federal University of Bahia School of Music, where he works in research, teaching, and administration.

He researches music theory, especially computational musicology, contour theory, and rhythmic partitioning of music texture. He teaches music harmony, form, analysis, composition, and instrumentation.

He has composed music pieces and arrangements for various instrumental formations presented by the UFBA Orchestra, GIMBA, UFBA Percussion Group, Duo Robatto, and Duo Sacramento. As an electric bass player, he has performed with the UFBA Percussion Group, A Trama do Macaco Prego, and local artists from Salvador, BA

In the administrative sphere, he has coordinated the Bachelor Course of Composition and Conducting since 2023 and its curriculum restructuring since 2020. He was deputy head of the Department of Music (2016 to 2018) and coordinator of the Bachelor Course of Composition and Conducting (2019 to 2021).

He has experience in software development. He was the technical coordinator of the team that developed the Beat Percussion Fever and Music Star Blocks software at Disco Azul Produções Artísticas and has been building RP Scripts and Zarlino software, both for music analysis.

He is a member of the Brazilian Music Theory and Analysis Association (TeMA), Genos (UFBA), and Partimus (UFRJ) research groups.

He is now researching Haydn’s string quartets using a quantitative methodology based on Computational Musicology tools.