ng GANs towards musical application. Several hybrid synthesizer models have then been trained <span class="citation" data-cites="mccarthy2020hooligan">(McCarthy &amp; Ahmed 2020)</span>, and the first GAN synthesizers appeared: GANSynth <span class="citation" data-cites="engel2019gansynth">(Engel et al. 2019)</span>, trained on the musical instrument sound dataset NSynth <span class="citation" data-cites="engel2017neural">(Engel et al. 2017)</span>, and EnvGAN <span class="citation" data-cites="madhu2021env