Here's the piano translation.
Melody:
[ Tab from: https://www.guitartabs.cc/tabs/h/hedley/perfect_tab.html ]
e|--------3---------------3---------------3---------------3---------|
B|---------------------------------------------------------------3--|
G|--5-4-5--5-4-5-2---5-4-5-5-4-5-----5-4-5-5-4-5-0---5-4-5-5-4-5----|
D|-------------------------------3----------------------------------|
A|------------------------------------------------------------------|
E|------------------------------------------------------------------|
Bass line:
e|---------------------------------------|
B|---------------------------------------|
G|---------------------------------------|
D|--10-10-10-10-7-7-7-7-5-5-5-5-0-0-0-0--|
A|--12-12-12-12-8-8-8-8-7-7-7-7-3-3-2-2--|
E|--12-12-12-12-8-8-8-8-8-8-8-8-3-3-3-3--|
Repeat as necessary.
