Question

If you see a large"4/4" at the begining of a piece of music, what can you conclude

Answer 1

You know that the beats per measure is four beats per measure, this is called the “Time Signature.” It tells you what each note value is. So a quarter note is 1 beat.

Answer 2

based off that time signature you know that it is going to be in "common time" which is 4 beats in each measure