Practice changing between the C and G7 chords. As both these chords contain the same G note, changing between them is quite easy because the thumb stays in the same position. It is important to always use the correct fingering when playing notes and chords.
This symbol is a whole rest. It indicates four beats of silence in * time. Small counting numbers are placed under rests.
Chord symbols are placed above the staff. There are two chords in bar 3. Each chord receives two beats.