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Modular Microservices Architecture for Generative Music Integration in Digital Audio Workstations via VST Plugin

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  • Adriano N. Raposo

    (Instituto de Telecomunicações, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
    School of Technology, Polytechnic University of Castelo Branco, Av. Pedro Álvares Cabral n° 12, 6000-084 Castelo Branco, Portugal
    CAC-UBI Center for Applied Computing, University of Beira Interior, 6201-001 Covilhã, Portugal
    These authors contributed equally to this work.)

  • Vasco N. G. J. Soares

    (Instituto de Telecomunicações, Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
    School of Technology, Polytechnic University of Castelo Branco, Av. Pedro Álvares Cabral n° 12, 6000-084 Castelo Branco, Portugal
    These authors contributed equally to this work.)

Abstract

This paper presents the design and implementation of a modular cloud-based architecture that enables generative music capabilities in Digital Audio Workstations through a MIDI microservices backend and a user-friendly VST plugin frontend. The system comprises a generative harmony engine deployed as a standalone service, a microservice layer that orchestrates communication and exposes an API, and a VST plugin that interacts with the backend to retrieve harmonic sequences and MIDI data. Among the microservices is a dedicated component that converts textual chord sequences into MIDI files. The VST plugin allows the user to drag and drop the generated chord progressions directly into a DAW’s MIDI track timeline. This architecture prioritizes modularity, cloud scalability, and seamless integration into existing music production workflows, while abstracting away technical complexity from end users. The proposed system demonstrates how microservice-based design and cross-platform plugin development can be effectively combined to support generative music workflows, offering both researchers and practitioners a replicable and extensible framework.

Suggested Citation

  • Adriano N. Raposo & Vasco N. G. J. Soares, 2025. "Modular Microservices Architecture for Generative Music Integration in Digital Audio Workstations via VST Plugin," Future Internet, MDPI, vol. 17(10), pages 1-26, October.
    • Handle: RePEc:gam:jftint:v:17:y:2025:i:10:p:469-:d:1769414
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