## Albums

id | title | release_date | artist_name
--- | --- | --- | ---
1 | Thriller | 1982-06-30 | Michael Jackson
2 | Abbey Road | 1969-09-26 | The Beatles

## Songs

id | title | length | album_id
--- | --- | --- | ---
|  |  | (→ Albums.id)
1 | Billie Jean | 4.57 | 1
2 | Hey Jude | 7.1 | 2

## Artists

id | name | genre | country
--- | --- | --- | ---
1 | Michael Jackson | Pop | USA
2 | The Beatles | Rock | UK

## Concerts

id | date | location | headliner_artist_id | opening_act_artist_id
--- | --- | --- | --- | ---
|  |  | (→ Artists.id) | (→ Artists.id)
1 | 2022-06-01 | New York City | 1 | 2
2 | 2022-06-02 | Los Angeles | 1 | None

## Ballets

id | name | choreographer | musician
--- | --- | --- | ---
1 | Swan Lake | Marius Petipa | Pyotr Ilyich Tchaikovsky
2 | Giselle | Jean Coralli and Jules Perrot | Adolphe Adam

## Performances

id | date | ballet_id | performers_count
--- | --- | --- | ---
|  | (→ Ballets.id) |
1 | 2022-07-01 | 1 | 50
2 | 2022-07-02 | 2 | 45