1. Counting Eighth Notes

    When counting eighth notes, you pronounce 1 +  2 +. The + sign is pronounced "and". So in eightht note exercise the rhythm is pronounce 1+2 3+4.

2. Attached Eighth Notes and Seperated Eighth notes:

    There is no difference between attached and seperated eighth notes. They are grouped together to help with reading. Usually they are grouped in 2's or 4's. 2's and 4's are equal to full beats.