Designed from the ground up for music composition.
Used by thousands of composers since 2010.
RapidComposer is an innovative, phrase-based music composition tool, offering a flexible, non-destructive workflow tailored for composers, songwriters, and musicians of all genres. RapidComposer makes it easy to turn your musical ideas into reality.
Latest News:
February 9, 2026: RapidComposer v6.0.7 released
November 15, 2025: 41 Realtime posted new videos about "Live mode" and other tutorials: Live mode 1 - 2 - 3, Tutorial 1 - 2 - 3 - 4 - 5
October 8, 2025: RapidComposer 6 released! See what’s new in this version.
April, 2025: RapidComposer 15th Anniversary!
Upgrade to version 6 with a discount! Read upgrade info
Effortlessly craft rich chord progressions and utilize piano-style phrases, even without prior piano experience. Auto-harmonize melodies, receive chord suggestions, and load MIDI files with built-in chord detection. With tools like the chord palette and the Circle of Fifths chart, RapidComposer provides constant support to enhance your songwriting process.
Phrases automatically adapt to the current chord and scale on the master track, eliminating the need to adjust individual notes. Simply lay out chords on the master track or drop in a chord progression, and with a single keystroke, generate a harmony track with flawless voice leading. Start composing with ease today!
Included rhythm and phrase generators allow for creating a wide range of patterns, both monophonic and polyphonic. Generate melodies, apply variations to modify phrases non-destructively, and easily slice or adjust the rhythm of existing phrases.
Leverage an intelligent algorithm to generate optimal guitar chord fingerings based on your specific constraints. Easily edit fingerings directly on the fretboard. Convert tracks into editable guitar tablature with calculated, optimized fingerings. Export tabs seamlessly in MusicXML format for further use.
Suggestions by harmonic rules, borrowed chords, chord substitutions, pivot chords, diatonic and chromatic mediant chords, passing chords, bass and melody pedal tone chords, chords on scale, chord builder, chord voicing editor. With these tools, you'll always have guidance for selecting the perfect chords.
RapidComposer provides multiple methods for selecting chords for the master track or progressions, including the Tonnetz and Circle of Fifths. Chord buttons can be color-coded by consonance, common tones, tonality, or suggestions. Customize chord rules for progressions and apply chord voicings to individual tracks, phrases, or the master track.
With it, you can instantly create new multi-track compositions or phrases, or even let the engine continue an existing melody or arrangement. It’s a powerful way to spark creativity and explore new musical ideas inside RapidComposer.
* Full Edition only
Trigger and perform sections of your composition from a MIDI keyboard in real time, with per-track speed, transpose, and timing controls. Mouse triggering also supported. With LIVE Playback Mode in RapidComposer 6, your compositions are no longer static: they become expressive, playable instruments.
* Full Edition only
The AI assistant, available in both full and light editions, offers intelligent suggestions for chord replacements, progressions, rules, and even song structure based on the genre or mood you specify. Powered by AI models from multiple providers, this feature requires an API key from a supported service.
RapidComposer generates multi-track compositions with chords based on your settings and phrases, supporting a variety of workflows. It's designed to inspire creativity, even when you're not short on ideas.
* Full Edition only
Melodya is a motive generator and editor, which was integrated into RapidComposer as a Melody Editor tab. By enabling the chords track, you can create a melody for a given chord progression, so two entirely different workflows are supported.
* Full Edition only
The extensive libraries for chords, scales, and chord progressions are fully expandable. Use the docked browsers to search, preview, sort, group, and display items. Additionally, a file browser and a CC envelope browser have been included for enhanced navigation.
The popularity of "Earth Arcade Vietsub" highlights the evolving landscape of online entertainment and the importance of cultural relevance in content creation. It demonstrates that with the right approach, content can reach and engage audiences across different demographics and geographies. Moreover, it underscores the growing influence of digital platforms in shaping entertainment trends and preferences.
In the vast expanse of online entertainment, certain phenomena capture the imagination of audiences worldwide, transcending geographical and cultural boundaries. One such intriguing case is "Earth Arcade Vietsub," a term that has been buzzing across various online platforms, captivating the attention of gamers, anime enthusiasts, and fans of Vietnamese content. This blog post aims to explore the concept of "Earth Arcade Vietsub," its origins, and what makes it a significant part of the online entertainment landscape. Earth Arcade Vietsub
The content under the "Earth Arcade Vietsub" umbrella likely includes a variety of gaming-related material, such as walkthroughs, reviews, live streams, and interactive Q&A sessions. What sets it apart is its focus on engaging with the Vietnamese community, through either the language used or the cultural references included in the content. This approach not only makes the content more accessible and enjoyable for Vietnamese viewers but also fosters a sense of community among fans. The popularity of "Earth Arcade Vietsub" highlights the
"Earth Arcade Vietsub" represents a fascinating example of how online content can be tailored to meet the specific needs and interests of a particular audience. As the digital entertainment landscape continues to evolve, it's likely that we'll see more phenomena like "Earth Arcade Vietsub" emerge, catering to diverse tastes and preferences. Whether you're a gamer, an anime fan, or simply someone interested in Vietnamese culture, "Earth Arcade Vietsub" offers a glimpse into the creative and engaging world of online entertainment. In the vast expanse of online entertainment, certain
The rise of "Earth Arcade Vietsub" can be attributed to the growing demand for diverse and culturally relevant content on digital platforms. With the proliferation of social media, streaming services, and online communities, audiences are no longer limited to traditional television or cinema for their entertainment needs. The creators of "Earth Arcade Vietsub" have tapped into this trend, producing content that resonates with Vietnamese viewers and gamers worldwide.
"Earth Arcade Vietsub" refers to a specific type of content that combines elements of gaming, entertainment, and cultural engagement, specifically tailored for a Vietnamese-speaking audience. The term "Vietsub" itself is a blend of "Vietnamese" and "subtitle," indicating that the content is either produced in Vietnamese or has Vietnamese subtitles. "Earth Arcade" is likely the name of a channel, series, or specific show that has gained popularity for its unique approach to gaming and interactive entertainment.
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