1. Play the 5/4 Groove on an A major, D Major and E Major Chord
2. Play D Major Scale
3. Play and sign the bass notes in the D Major Scale (Play note then sign with right hand and say the letter name)
4. Play the Chords in the D Major Scale
5. Listen to Dreamin’ 2nd part, Pre-chorus and sign the bass notes
6. Play Dreamin’ 2nd part, Pre-Chorus

https://www.hooktheory.com/theorytab/view/weezer/dreamin