diff --git a/dsp/analog.dsp b/dsp/analog.dsp
index f56966cd..864ab160 100644
--- a/dsp/analog.dsp
+++ b/dsp/analog.dsp
@@ -25,6 +25,9 @@
 # THE FILTER IS 24 dB AN OCTAVE: two filt::svf low-passes in series,
 # the resonance on the second, the cutoff opened by its own envelope and
 # by velocity, and tracking the keyboard by `Key Track'.
+#
+# `Bend' is the pitch wheel, in semitones and slewed over 40 ms: a piece
+# rides it with a chanarg sink (`chanarg = "bend"').
 
 name "Analog";
 author "Misha Nasledov";
@@ -99,6 +102,13 @@ category "Leads and stabs";
     @drift.label = "Drift (cents)";
     @drift.group = "Warmth";
 
+    @bend = 0;
+    @bend.widget = 1;
+    @bend.min = -12;
+    @bend.max = 12;
+    @bend.label = "Bend (semitones)";
+    @bend.group = "Oscillators";
+
     @cutoff = 1200;
     @cutoff.widget = 1;
     @cutoff.min = 40;
@@ -190,10 +200,20 @@ node ionode {
     play = env->play;
 };
 
-node freq misc::midi2freq {
+node pitch misc::midi2freq {
     note = ionode->note;
 };
 
+node bend misc::slew {
+    in = @bend;
+    time = 40 ms;
+};
+
+node freq math::mul {
+    in0 = pitch->out;
+    in1 = exp2(bend->out / 12);
+};
+
 # One wanderer per oscillator, in cents, and one for the cutoff.
 node driftc misc::drift { rate = 0.3;  depth = @drift; seed = ionode->note; };
 node driftl misc::drift { rate = 0.37; depth = @drift; seed = ionode->note + 1000; };
diff --git a/dsp/guitar.dsp b/dsp/guitar.dsp
index 462f1372..5bd910c2 100644
--- a/dsp/guitar.dsp
+++ b/dsp/guitar.dsp
@@ -32,6 +32,13 @@
 # Velocity is in the burst's level and in the damping, so a hard pick
 # starts brighter and settles to where a soft one started -- a string
 # does that, and an envelope on a filter only pretends to.
+#
+# `Bend' is in semitones and is the channel's, like a pitch wheel: a
+# piece drives it with a chanarg sink (`chanarg = "bend"') from a
+# gen::steps row, which is a lead guitarist's bend on a single line. It
+# moves the loop's length and not its decay, and it is slewed over 40 ms
+# so a step in the row is a push rather than a jump. At 0 the string is
+# exactly as it was.
 
 name "Guitar";
 author "Misha Nasledov";
@@ -94,6 +101,12 @@ category "Plucked";
     @a.max = 100ms;
     @a.label = "Attack";
 
+    @bend = 0;
+    @bend.widget = 1;
+    @bend.min = -2;
+    @bend.max = 2;
+    @bend.label = "Bend (semitones)";
+
     @r = 100 ms;
     @r.widget = 1;
     @r.min = 5ms;
@@ -112,6 +125,11 @@ node freq misc::midi2freq {
     note = ionode->note;
 };
 
+node bend misc::slew {
+    in = @bend;
+    time = 40 ms;
+};
+
 node noise osc::noise {
     color = 0;
     amp = 1;
@@ -146,7 +164,7 @@ node pos filt::svf {
 # guitar has.
 node string filt::comb {
     in = pos->out_band;
-    freq = freq->out;
+    freq = freq->out * exp2(bend->out / 12);
     feedback = clamp(pow(10, -3 / (@decay * @mute * freq->out)), 0, 0.9995);
     damp = clamp(@tone - ionode->velocity * @bright, 0, 0.9);
     size = 100 ms;