1. The Tallinn Song Festival Grounds, also known as Lauluväljak in Estonian, is a historical and cultural venue located in Tallinn, Estonia. It is best known for hosting the Estonian Song Festival, which is a traditional music event that brings together thousands of singers from all over the country to perform choral music.

The Tallinn Song Festival Grounds have a rich history dating back to the early 20th century when the first Estonian Song Festival was held there in 1928. The venue has since become an iconic symbol of national identity and unity for the Estonian people.

In addition to the Estonian Song Festival, the Tallinn Song Festival Grounds also host various concerts, cultural events, and festivals throughout the year. The amphitheater-style venue can accommodate up to 100,000 spectators, making it one of the largest open-air concert venues in the Baltics.

2. The working hours of the Tallinn Song Festival Grounds vary depending on the events being held. It is best to check their official website or contact them directly for the most up-to-date information. Unfortunately, a contact phone number is not available at the moment.

3. Ticket information for events at the Tallinn Song Festival Grounds can be found on their official website or through authorized ticketing vendors. As for transportation, the venue is easily accessible by public transportation, including buses and trams. Additionally, there is on-site parking available for those who prefer to drive.