TJH - The Trials of Jayson Hoover changed their name to Anvil Chorus in January of 1970 to reflect the heavier sound they had developed during 1969 as TJH. The three 45s on released on The New Syndrome label in early 1970 by Anvil Chorus were previously recorded by The Trials of Jayson Hoover before this temporary name change.
For physical events that happen at a specific time. For example a concert, or dance performance. If there are multiple shows, you can still duplicate your event to cover them all.