Verse
G|---------------------------------------------------------------|
D|-----------------9-9--9-9-9--6--6--6-9-----------------11----12|
A|---6--6--6--6-6------------------------9-6----6--6-/-9----10---|
E|---------------------------------------------------------------|
prechorus and chorus
[ Tab from: https://www.guitartabs.cc/tabs/b/beat_beat_beat/fireworks_btab.html ]
G|---------------------------------------------------------------|
D|---------------------------------------------------------------|
A|---6~-------------2~-----1~------------------------------------|
E|-----------6~--------------------------------------------------|
In chorus you play this same notes but fast phased