making music cover, ghost effect

Hi everyone,
I’m young music player and i want to make my first cover, so i need your help to realize it..i recorded myself and made mp3 of song cover..and i want to make video for it..i want to do it on way like I’m playing all instruments and singing too,..and I would be like ghost in background on all instruments but ‘singer’ wont be ‘ghosted’..if you understood me then help..im playing 8 or 9 instruments and want to set that all in one video..if it is possible
Thank you