very easy to play. Just listen to the song.
vers
G|-------------------------------|
D|-------------------------------|
A|5-------5-------5------5-------|
E|------------1-3------------1-3-|
[ Tab from: https://www.guitartabs.cc/tabs/l/linkin_park/blackbirds_btab.html ]
chorus
G|----------------------------------------------------------|
D|----------------------------------------------------------|
A|0-------0-------5-------0-------5-------0-------3---0-3-5-|
E|--3-1-----3-1-------1-------1-3-----1-------1-3-----------|
bridge
G|---------------------------------|
D|------------3-5-------------3-5--|
A|5---5---5-------5---5---5-------5|
E|---------------------------------|