Experiment with the strumming for what you feel, but i like to use a down, up, down, up,
up, down, up reggae pattern for each chord focusing mainly on the higher strings.
(I'm drivin'..down the coastline..ridin'......with my windows down.)
[ Tab from: https://www.guitartabs.cc/tabs/r/radical_something/radio_tab.html ]
e|--5-----------5-------------------7-----------5-------------------|
B|--7-----------5-------------------9-----------5-------------------|
G|--7-----------6-------------------9-----------6-------------------|
D|--7-----------7-------------------9-----------7-------------------|
A|--5-----------7-------------------7-----------7-------------------|
E|--5-----------5-------------------7-----------5-------------------|
(I can't.....(cause life is good..(I wish I...(the radio.)
complain) but man) was on)
e|--5-----------5-------------------7-----------5-------------------|
B|--7-----------5-------------------9-----------5-------------------|
G|--7-----------6-------------------9-----------6-------------------|
D|--7-----------7-------------------9-----------7-------------------|
A|--5-----------7-------------------7-----------7-------------------|
E|--5-----------5-------------------7-----------5-------------------|
Continue with this rhythm for the parts where Loggy raps but maybe play around with
different strumming patterns.