How to Add Audio to Video Online | Background Music & Sound Editor

I dont even hear my audio

Music Video And Audio Sync Video plz

How Can I Add lypsync Video

I cant work out how to turn the volume of the background music down without turning my voice off at the same time? How do I do that please?

How do I crescendo my audio's volume?? so it like fades?

To add audio do we need to pay?

why doesn't the filter work? I press vhs filter, but it doesn't apply to my video

Nice

Thanks for the toturial