It's played on the piano with a C note as root two times as one/fourth (1/4) note and
after that D major
one/second (1/2) for three times and two times after as one/eighth (1/8):
e|---------------------------|
B|---------------------------|
G|-------7----7----7----7-7--|
D|-------7----7----7----7-7--|
A|-3--3--5----5----5----5-5--|
E|---------------------------|