You can share your concerts on Concert Gate. Signup and create a login. After you login you go to the menu in the upper right corner and select Create profile. Signup here
Fill out the form and your profile is created. You can now add concerts. Concert Gate will help you with typing the program if the work is already known and in the database. Same with the venue.
You can show concerts added to Concert Gate on your own homepage simply by adding a small code. This makes it very easy to maintain your calendar on your homepage.
All users with a login get emails about your concert in their mailbox. Concerts are also shown without login in the concert finder immediately: Click here!