Singler line FFMPEG cmd to Merge Video /Audio and retain both audios

Question

I have a project that requires merging of a video file with another audio file. The expected out put is an video file that will have both the audio from actual video and the me

Answer 1

First remove the sound from video if you are not able to merge video and audio by using this command: ffmpeg -i video.mp4 -an videofinal.mp4