Date: 日期
Dear Greg,
This is an invitation to invite you to visit a concert,located in ..(地点).from ... to ...(时间)on Saturday.
We look forward to seeing you at the concert on Sat.
Yours sincerely,
XXX
Invitation Letter
Dear Greg,
ThisSaturday there will be a concert on ***. We'd like you to join us. During these time, we'll enjoy it together. I wonder if you have the time. Please answer me as soon as possibly.
I look forward to your coming.
Address: 169 Jinnan Rd.
TEL: 1234567
Time: 6pm-9 pm