To understand basic rhythm, you need to know the values of certain
notes. This means basically that some notes you need to hold down
longer than others.
Each note has a number/count/beat associated with it. Here's a list:
Note Name:
Looks
Like:
Number of beats:
Whole Note
4
Half Note
2
Quarter Note
1
8th Note
.5
Dotted Quarter Note
1.5
Here's a basic video on how long to hold the notes: