N.Y.'s Concerts, Baseball to Reopen in April at Limited Capacity - Bloomberg
How Citi Field Hosted a Soccer Game, Concert, and Corporate Event—Back to Back
Mets put best fans' experience foot forward - Coliseum
Governors Ball Music Fest set to kick off at Citi Field –
Hear From One of McClancy's Chorus Singers at Citi Field! – The Sentinel
Stamford students to sing national anthem at Mets game
Security Over Center Field, 2018-08-30
Citi Field - Wikipedia
How MLB Ballparks Turn Into Magical Concert Venues - Artist Waves – a voice of the artist platform