code: def y_icqt(sr_icqt):
      return make_signal(sr_icqt, 1.5, fmin="C2", fmax="C4")
  
imports: from __future__ import division
  import warnings
  import os
  from typing import Optional
  import librosa
  import numpy
  import scipy.stats
  import pytest
  from test_core import srand
label_desc: Use image node_id 28 for calling a global function with example usage: y_icqt(sr_icqt) and returns: make_signal