G7 Guitar Chord

[@valavimusic2390]

Thank you sir

[@ashu_karmyogi]

hi,
is there any formula / method to find 7th chord from major chord?? like g7 from major g chord or d7 from major d chord etc.

[@rajshrilearn]

#GuitarBasics: Learn how to play the G7 chord on your #Guitar.

[@RohanThakur]

sir what shud i do so that i can play any song??? is the knowledge of all the scales necessary ???