To locate the home tone (tonic) of the key of G major, look for the note G.In the key of G major, the notes are:G, A, B, C, D, E, F#The home tone (G) is the central note, and the other notes revolve around it.You can find the home tone (G) on:1. Piano: Left hand, bottom line of the treble clef staff, or right hand, top line of the bass clef staff.2. Guitar: - Open string: Low E string (thickest string), 3rd fret. - Fretboard: 3rd fret of the low E string.3. Music notation: Look for the key signature (1 sharp, F#) and find the note G.4. Online tools: Use online music theory tools, such as key finders or piano keyboards.Remember, the home tone (G) is the foundation of the key, and understanding its location helps with playing, composing, and improvising in the key of G major.