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22
10. Playing with Automatic Accompaniments
The BK-3 contains a function that plays back automatic accompaniments
called “rhythms”. This section explains how to take advantage of the BK-3’s
accompaniments
About the Rhythms
The BK-3 can generate interactive accompaniments based on the rhythm
you select. Each rhythm is a typical accompaniment for a given musical
genre. The BK-3 comes with 250 internal rhythms divided over 5 families
(see the RHYTHM FAMILY section on the front panel).
Unlike a drum machine, a BK-3 Rhythm not only contains the rhythm part
(drums & percussion) but also a melodic accompaniment, such as piano,
guitar, bass and strings lines. The melodic accompaniment parts of the
selected Rhythms follow the chords you play on the keyboard.
You can also record both your playing and the accompaniment “16.
Recording your performance as audio data” (p. 41).
Structure of the Rhythm
Accompaniments
Each Rhythm comprises several patterns that you can play back using the
following buttons:
Button Explanation
VARIATION [1], [2], [3], [4]
If the VARIATION [1] button lights, the rhythm
function plays a simple accompaniment
(usually with fewer instruments).
The other VARIATION’s become gradually
more complex up to the VARIATION [4], that
plays the most complex accompaniments.
INTRO
If you switch on this button (indicator lights)
and press [START/STOP]/[ */, ] button the
rhythm playback begins with an introduction.
Depending on the type of VARIATION button
lighted you will have either a simpler or a
more complex introduction.
ENDING
If you press this button while a Rhythm is
being played back ([START/STOP]/[ */, ] but-
ton ashes), the BK-3 starts playing a closing
phrase (“Ending”) on the next downbeat. At
the end of this phrase, playback stops.
Depending on the type of VARIATION button
lighted you will have either a simpler or a
more complex closing phrase.
The available Rhythm patterns could be used as follows:
INTRO
VARIATION
1 or 2
Beginning of the song.
First verse (simple accompaniment).
First chorus (richer accompaniment).
Last verse (simple accompaniment).
Closing section.
VARIATION
3 or 4
VARIATION
1 or 2
ENDING
If the [AUTO FILL IN] button lights, the BK-3 plays a transition before
switching to the newly selected VARIATION pattern. Example: if
the VARIATION [1] pattern is running, pressing the [4] button will
not switch to that pattern right away. The BK-3 rst plays a ll-in to
announce the new song section.
NOTE
While the four Variation patterns are repeated indenitely until
you stop Rhythm playback, the Intro and Ending phrases are
played only once.
Using Rhythms
The “interactive” aspect about the rhythms is that you can change the
key of the accompaniment simply by playing dierent notes or chords.
Additionally, you can select dierent variations (more or less complex
arrangements) for the active rhythm. The BK-3 provides several buttons
for this.
[START/STOP] / [ */, ]
This button is used to start and stop rhythm playback. While a
rhythm is running, the button’s indicator ashes red on the rst
beat of each bar, and green on the remaining beats.
MEMO
You can also start (and stop) rhythm playback simply by playing
on the keyboard. See the next function. (The Start/ Stop
function can also be assigned to an optional footswitch.)
[SYNC START] / [ + ]
This button activates and switches o the “Sync Start” or “Sync
Start/Stop” function. Pressing it several times allows you to select
one of the following options:
Function
[SYNC START]
indicator
Explanation
Sync Start Lights red
Rhythm playback can be started by playing a
note or chord. Press [START/STOP]/[ */, ] to stop
rhythm playback.
Sync Start/Stop Lights green
Rhythm playback can be started by playing
a note or chord. Playback will stop when you
release all keys.
— Dark
Rhythm playback needs to be started and
stopped using the [START/STOP]/[ */, ]button
(or the assigned optional footswitch).
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