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SEQ541 1.0

SEQ541 is a MIDI pattern sequencer for OS X.


Last Week downloads: 0
Total downloads: 292
  • Last Updated: Jun 8, 2009
  • License: GPL Free
  • OS: Mac OS X
  • Requirements: No special requirements

User reviews

4 out of 5 based on 1 ratings for SEQ541 1.0

For SEQ541 1.0Publisher's description


SEQ541 is a MP3 & Audio software developed by Robert W Rose. After our trial and test, the software is proved to be official, secure and free. Here is the official description for SEQ541:

BrothersoftEditor: SEQ541 is a MIDI Pattern Sequencer for OS X. The program is extremely flexible, all it requires is that you have an external MIDI device generating a clock and it will output notes in time to a pattern sequence you specify. Why is SEQ541 for you?

I wrote this program because I wanted a way to control my Roland SH-32 synthesizer (which does not have a built-in sequencer) in time with my Korg ER-1 Rhythm synthesizer (which does have a built-in sequencer). It works pretty damn well for this purpose, especially live, where I would rather be playing pre-programmed melodies and basslines and tweak the knobs in real-time.
If a full-blown sequencer is too much software for your music, then pattern based music programming might be the way to go. My musical background all started with MOD files, so I've never really let go of the pattern paradigm for music composition. SEQ541 is a great tool for doing pattern based composition with your MIDI gear.
If you have a MIDI synth with a built-in sequencer, you can use SEQ541 to visually edit sequences for the device, then play then back into the device while it's recording. I use SEQ541 to do this with my Korg EA-1.
If you're a software synth person, SEQ541 works really well for controlling software synths like Native Instruments Absynth or Waldorf A-1 in time with your external MIDI hardware.


you can't record patterns, only input them via mouse
128-note polyphony
you can run as many pattern sequencers simultaneously as your CPU can handle
you can store as many patterns as you want per sequencer
while playing, transitions to the next pattern don't occur until the current pattern is done playing
variable pattern length: 16, 32, 48 and 64 notes
variable note length: 16th note through whole note in 16th note steps
fixed note-on velocity 0x64
play/stop must be driven from an external MIDI source
MIDI clock must be from an external MIDI source
can drive any hardware or software MIDI device.
you can free download SEQ541 1.0 now.


Please be aware that Brothersoft do not supply any crack, patches, serial numbers or keygen for SEQ541,and please consult directly with program authors for any problem with SEQ541.