diff -Naur ../2021_02_04/src/match_token.rl ./src/match_token.rl
--- ../2021_02_04/src/match_token.rl	2021-02-04 07:53:51.000000000 +0100
+++ ./src/match_token.rl	2021-02-04 16:50:05.047099030 +0100
@@ -212,6 +212,7 @@
         "N.S"         => { MATCH_OP(E_OP_N_S); };
         "N.C"         => { MATCH_OP(E_OP_N_C); };
         "N.CS"        => { MATCH_OP(E_OP_N_CS); };
+        "N.Q"         => { MATCH_OP(E_OP_N_Q); };
         "V"           => { MATCH_OP(E_OP_V); };
         "VV"          => { MATCH_OP(E_OP_VV); };
         "ER"          => { MATCH_OP(E_OP_ER); };
diff -Naur ../2021_02_04/src/ops/maths.c ./src/ops/maths.c
--- ../2021_02_04/src/ops/maths.c	2021-02-04 07:53:51.000000000 +0100
+++ ./src/ops/maths.c	2021-02-04 16:50:05.047099030 +0100
@@ -100,6 +100,8 @@
                        command_state_t *cs);
 static void op_N_CS_get(const void *data, scene_state_t *ss, exec_state_t *es,
                         command_state_t *cs);
+static void op_N_Q_get(const void *data, scene_state_t *ss, exec_state_t *es,
+                       command_state_t *cs);
 static void op_V_get(const void *data, scene_state_t *ss, exec_state_t *es,
                      command_state_t *cs);
 static void op_VV_get(const void *data, scene_state_t *ss, exec_state_t *es,
@@ -190,6 +192,7 @@
 const tele_op_t op_N_S   = MAKE_GET_OP(N.S      , op_N_S_get    , 3, true);
 const tele_op_t op_N_C   = MAKE_GET_OP(N.C      , op_N_C_get    , 3, true);
 const tele_op_t op_N_CS  = MAKE_GET_OP(N.CS     , op_N_CS_get   , 4, true);
+const tele_op_t op_N_Q   = MAKE_GET_OP(N.Q      , op_N_Q_get    , 3, true);
 const tele_op_t op_V     = MAKE_GET_OP(V       , op_V_get       , 1, true);
 const tele_op_t op_VV    = MAKE_GET_OP(VV      , op_VV_get      , 1, true);
 const tele_op_t op_ER    = MAKE_GET_OP(ER      , op_ER_get      , 3, true);
@@ -859,6 +862,39 @@
     }
 }
 
+static void op_N_Q_get(const void *NOTUSED(data), scene_state_t *NOTUSED(ss),
+                       exec_state_t *NOTUSED(es), command_state_t *cs) {
+    int16_t a; // midi note value to lookup
+    int16_t octave;
+    int16_t root = cs_pop(cs);
+    int16_t scale = (cs_pop(cs) + 900) % 9;
+    int16_t degree = cs_pop(cs);
+
+    // odd fix for first negative octave
+    if (degree < 0 && degree > -7){
+	octave = (degree / 7) - 1;
+    } else {
+	octave = degree / 7;
+    }
+    
+    degree = (degree + 700) % 7;
+    int16_t transpose = table_n_s[scale][degree];
+
+    // put everything into a
+    a = root + transpose + (octave * 12);
+
+    // lookup and push out
+    if (a < 0) {
+        if (a < -127) a = -127;
+        a = -a;
+        cs_push(cs, -table_n[a]);
+    }
+    else {
+        if (a > 127) a = 127;
+        cs_push(cs, table_n[a]);
+    }
+}
+
 static void op_N_C_get(const void *NOTUSED(data), scene_state_t *NOTUSED(ss),
                        exec_state_t *NOTUSED(es), command_state_t *cs) {
     int16_t root = cs_pop(cs);
diff -Naur ../2021_02_04/src/ops/maths.h ./src/ops/maths.h
--- ../2021_02_04/src/ops/maths.h	2021-02-04 07:53:51.000000000 +0100
+++ ./src/ops/maths.h	2021-02-04 16:50:05.047099030 +0100
@@ -51,6 +51,7 @@
 extern const tele_op_t op_N_S;
 extern const tele_op_t op_N_C;
 extern const tele_op_t op_N_CS;
+extern const tele_op_t op_N_Q;
 extern const tele_op_t op_V;
 extern const tele_op_t op_VV;
 extern const tele_op_t op_ER;
diff -Naur ../2021_02_04/src/ops/op.c ./src/ops/op.c
--- ../2021_02_04/src/ops/op.c	2021-02-04 07:53:51.000000000 +0100
+++ ./src/ops/op.c	2021-02-04 16:50:05.047099030 +0100
@@ -86,7 +86,7 @@
     &op_WRAP, &op_WRP, &op_QT, &op_QT_S, &op_QT_CS, &op_QT_B, &op_AVG, &op_EQ,
     &op_NE, &op_LT, &op_GT, &op_LTE, &op_GTE, &op_NZ, &op_EZ, &op_RSH, &op_LSH,
     &op_LROT, &op_RROT, &op_EXP, &op_ABS, &op_SGN, &op_AND, &op_OR, &op_JI,
-    &op_SCALE, &op_SCL, &op_N, &op_VN, &op_N_S, &op_N_C, &op_N_CS, &op_V,
+    &op_SCALE, &op_SCL, &op_N, &op_VN, &op_N_S, &op_N_C, &op_N_CS, &op_N_Q, &op_V,
     &op_VV, &op_ER, &op_NR, &op_BPM, &op_BIT_OR, &op_BIT_AND, &op_BIT_NOT,
     &op_BIT_XOR, &op_BSET, &op_BGET, &op_BCLR, &op_BTOG, &op_XOR, &op_CHAOS,
     &op_CHAOS_R, &op_CHAOS_ALG, &op_SYM_PLUS, &op_SYM_DASH, &op_SYM_STAR,
diff -Naur ../2021_02_04/src/ops/op_enum.h ./src/ops/op_enum.h
--- ../2021_02_04/src/ops/op_enum.h	2021-02-04 07:53:51.000000000 +0100
+++ ./src/ops/op_enum.h	2021-02-04 16:50:05.047099030 +0100
@@ -185,6 +185,7 @@
     E_OP_N_S,
     E_OP_N_C,
     E_OP_N_CS,
+    E_OP_N_Q,
     E_OP_V,
     E_OP_VV,
     E_OP_ER,