I didn't make this up, I got this from Robert Schults. e|---------------------------------+---------------------------------------| B|---------------------------------+---0---0---0---1-----------------------| G|-------------------0--------0----+-------------------0--------0----------| D|---2---2---2--------2--------2---+--------------------2--------2---------| A|---------------3--------3--------+------------------------3--------------| E|---------------------------------+---------------------------------------|
https://primanota.net/john-williams/imperial-march-chords.htm