[Main riff] This is the majority of the song, the rest is slight variations of the same riff, It can be easily improvised E|--------------------------| B|--------------------------| G|--------------------------| D|-----0------0------0------| A|---4------4------2--------| E|-7------5------3----------| Variation: just strum along to the song to understand when to change E|------------------------| B|------------------------| G|------------------------| D|-0-0----0-0----0-0-0----| A|-4-5----4-7----2-5-4----| E|-7-7----5-5----3-3-3----|