Cubase 15: Creating Melodic Patterns with Writing Room Synth

Cubase 15 Try it →Watch full video →Mixdown Online · Nov 2025

Demo summary

A walkthrough of the new Melodic Pattern editor and Writing Room synth, showing how to randomize notes, set keys, and adjust density.

Step-by-step

Open the Melodic Pattern editor in Cubase 15
Select the key of the song and set the note range
Import a chord progression by dragging a MIDI event or chord track into the editor
Click Randomize to generate a pattern of notes
Adjust the Density level to add or reduce the number of notes
Toggle between Monophonic and Polyphonic modes
Adjust the number of voices when in Polyphonic mode

Options

Import chords from a chord track
Import chords from a MIDI track
Randomize variations for different patterns
Manually write your own patterns and notes instead of randomizing

Tips

Try out the new Writing Room synth for a simple and good-sounding companion to the pattern editor
Use the randomize feature to quickly generate inspiring ideas and complex patterns

Highlights

“It's actually very nice to work with... It's so inspiring.”

All demos from “Cubase 15 - Before You Upgrade, Know This”

6:030:36Performing a Quick Audio ExportThe host shows how to use the new Quick Audio Export icon to bypass the full mixdown window and export a project range instantly.Cubase 15· AI Audio Editor
6:421:14Managing Automation and Track ControlsDemonstration of the 'last touched parameter' automation feature and new track controls for volume and pan directly on the track header.Cubase 15· AI Audio Editor
8:180:50AI Stem Separation in Cubase 15The host demonstrates the built-in stem separation tool by selecting a mix and extracting vocals, drums, bass, and other elements into separate tracks.Cubase 15· AI Vocal Remover & Stem Splitter
9:332:48Creating Melodic Patterns with Writing Room SynthCurrentA walkthrough of the new Melodic Pattern editor and Writing Room synth, showing how to randomize notes, set keys, and adjust density.Cubase 15· AI Melody & MIDI Generator
16:001:15Real-time Pitch Shifting and DoublingThe host demonstrates the new Pitch Shifter plugin on a lead vocal, adjusting formants and using it as a stereo doubler.Cubase 15· AI Audio Editor
17:151:00Compressing Drums with Ultra ShaperA demonstration of the Ultra Shaper compressor on a drum bus, showing the threshold adjustment and parallel processing mix knob.Cubase 15· AI Audio Editor
Watch “Cubase 15 - Before You Upgrade, Know This” →

AI Melody & MIDI Generator

8:191:06Using Chord Pads to record progressionsThe user demonstrates triggering preloaded chords using the Chord Pads in the lower zone and recording them to multiple instrument tracks.Cubase
0:181:57Using the Melodic Pattern Editor in Cubase 15The host demonstrates the new Melodic Pattern Editor by setting scales, toggling polyphonic modes, and using the randomize function to generate phrases for an Arturia Juno 6 synth.Dom Sigalas
9:332:48Creating Melodic Patterns with Writing Room SynthCurrentA walkthrough of the new Melodic Pattern editor and Writing Room synth, showing how to randomize notes, set keys, and adjust density.Mixdown Online
15:140:52New Chord Pad presets for scales and modesThe demo shows loading new Dorian, Locrian, and Lydian presets for Chord Pads and triggering them with Padshop.Dom Sigalas
3:361:56Generating chord progressions with Chord PadsReid demonstrates using the Chord Pads tool in Cubase to trigger complex chord progressions with single notes and customize them using presets.Reid Stefan
9:531:20Creating melodies with the Melodic SequencerA demonstration of the new Melodic Sequencer in Cubase 15, showing how to draw in melodies, use the variation knob for randomization, and adjust density.Cubase
3:291:15Analyze audio loops for chords in Cubase 15The user demonstrates dragging a guitar loop onto a chord track to automatically analyze its harmonic content and then dragging those chords into the Chord Pads for use with other instruments.WaveBits
5:304:01Generate patterns with the Melodic SequencerA walkthrough of the new Melodic Sequencer in Cubase 15, showing how to randomize patterns, adjust density and octaves, and switch between monophonic and polyphonic modes.WaveBits
0:292:15Compose chords with HALion Sonic in CubaseThe producer selects a brass patch in HALion Sonic, sets the project tempo to 98 BPM, and records a MIDI chord progression in C# major.Cubase
1:08:571:16Using MIDI Modifiers for real-time transpositionThe host shows how to use the MIDI Modifiers tab in the Inspector to transpose a track by 12 semitones without physically moving the MIDI notes.Cubase
3:39:430:51Converting Audio to MIDI using VariAudioThe host shows how to use the 'Extract MIDI' function within VariAudio to convert a monophonic bass guitar recording into MIDI notes.Cubase
4:080:44Generating chord progressions with Cubase Chord PadsThe creator demonstrates using the Cubase 'Chord Pad' feature with the 'Take a Breath' preset to generate and trigger a complex chord progression.GeniusVybz