Magic Music Visuals

I just installed Magic and I wanted use some Sample Projects.
But when I load most of them are completely black or mostly black.
For example bars are 1 or few pixels height, waveform is very very thin. you almost can't see it.
I see that most of values in modules are low like 0.0002, 0.001 etc.
They react to music, but the reaction is way too small. Why?

Perhaps your microphone volume is too low? Try increasing it in Control Panel (Windows) or System Preferences (OS X).

Or, you can try importing an audio file. See https://magicmusicvisuals.com/downloads ... AudioFiles. Make sure you assign the file to an input, otherwise it won't have any effect. That might be the issue.

thanks for the reply, now it works fine