Marta Fonseca has seen 13 bands.

Band Concerts Seen
  5 Seconds of Summer 1 concert
  AR/CO 1 concert
  Calum Scott 1 concert
  Harry Styles 1 concert
  James Arthur 1 concert
  Louis Tomlinson 1 concert
  Olivia Rodrigo 1 concert
  Paramore 1 concert
  Remi Wolf 1 concert
  Taylor Swift 1 concert
  The Academic 1 concert
  The Lathums 1 concert
  Wet Leg 1 concert