Display

specshow(data[, sr, hop_length, x_axis, ...])	Display a spectrogram/chromagram/cqt/etc.
waveplot(y[, sr, max_points, x_axis, ...])	Plot the amplitude envelope of a waveform.
time_ticks(locs, *args, **kwargs)	Plot time-formatted axis ticks.
cmap(data[, use_sns, robust])	Get a default colormap from the given data.