There’s a lot more to understanding and interpreting a Lead Sheet than just reading the notes in the melody…
time signatures
6/8 Time is so much more than six identical and equivalent pulses strung together…
4/4 Time is so much more than four identical and equivalent pulses strung together…
3/4 Time is so much more than three identical and equivalent pulses strung together…
2/4 Time is so much more than two identical and equivalent pulses strung together…
The Time Signature, written immediately after the key signature, is a pattern of numbers that looks like a fraction that tells you two things…
Welcome to the grossly under-appreciated subject of musical time and rhythm…