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The QY300 is more than just a sequencer. It is a complete music production system with a
16-track sequencer, 128-voice tone generator, and advanced auto-accompaniment capability
all integrated with a sophisticated control interface. It also features a floppy disk drive for
convenient data storage and retrieval, and a built-in micro-keyboard for easy programming
without an external MIDI keyboard.
Sequencer Functions
The QY300 sequencer has 16 “normal” sequencer tracks to which you can
individually assign any of the internal voices and record either via the QY300’s
own micro keyboard or an external keyboard connected to the QY300 MIDI IN
connector. You can use the real-time record mode so that the QY300 records
exactly what you play as you play it, or the step record mode in which notes
can be entered one at a time. There’s also a “multi” real-time record mode in
which all 16 sequencer tracks can be recorded simultaneously, and a punch-in
real-time record mode in which you can re-record any specified section of an
already-recorded track. The step record mode lets you record extremely fast or
complex passages that would be impossible to play in real time. It’s also useful
for adding finishing touches to tracks recorded in real time. The QY300 pro-
vides an extensive range of advanced editing functions that make modifying
and refining your recorded data an easy, efficient process.
Accompaniment Sequencing
One feature that truly sets the QY300 apart from other sequencers is its ad-
vanced accompaniment sequencing capability. Accompaniments are produced
by specifying a sequence of “patterns” to be played rather than by recording
individual notes or chords. A pattern is in itself a separate sequence consisting
of a combination of up to eight “phrases” — e.g. a drum phrase, a bass phrase,
and several chord or harmony phrases. The QY300 provides 2,000 preset
phrases that you can combine to create a virtually unlimited variety of patterns,
and memory for up to 100 user phrases that you can record yourself “from
scratch”. Each pattern can have 8 variations — intro, main A, main B, fill AA,
fill BB, fill AB, fill BA, and an ending — that you can sequence, along with
chord changes, to quickly create complete accompaniment tracks. Chord
changes are programmed simply by entering the name of the chord —
Yamaha’s advanced ABC (Auto Bass Chord) auto-accompaniment system au-
tomatically re-harmonizes the pattern accordingly. The QY300’s accompani-
ment sequencing features mean you can whip up a complete accompaniment in
a fraction of the time it would normally take, significantly simplifying and
speeding up the overall production process.
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