1. Sarah Elizabeth "Sadie" Dupuis was born on July 8,1988 and is an American musician who is the guitarist, lead vocalist and lyricist for the band Speedy Ortiz.

1. Sarah Elizabeth "Sadie" Dupuis was born on July 8,1988 and is an American musician who is the guitarist, lead vocalist and lyricist for the band Speedy Ortiz.
Sadie Dupuis has released two solo albums, Slugger and Haunted Painting, under the name Sad13.
Sadie Dupuis began playing music as a child, singing in choirs and playing piano.
Sadie Dupuis joined a professional choir in middle school and toured internationally with it through high school.
Sadie Dupuis learned to play guitar at the age of 13.
Sadie Dupuis is an alumna of Buck's Rock, an educational arts camp where she was both a student and an instructor of music, which later inspired Speedy Ortiz to fundraise for Girls Rock Camp.
Sadie Dupuis attended the Massachusetts Institute of Technology for two years.
Sadie Dupuis initially pursued dual degrees in mathematics and music before becoming interested in the school newspaper and deciding to eschew mathematics in favor of writing.
Sadie Dupuis began writing and releasing music in high school, first recording herself on a TASCAM Portastudio.
Sadie Dupuis wrote her first Speedy Ortiz song, "Ka-Prow", while teaching songwriting at Buck's Rock in 2011.
Sadie Dupuis quit her teaching job and became a full-time musician while preparing for the release of Speedy Ortiz's second album, Foil Deer.
Sadie Dupuis has featured on numerous tracks by Exploding in Sound bands Ovlov and Mister Goblin, providing backing vocals.
Sadie Dupuis has worked with a range of artists as a producer, synth player, or guitarist, including Backxwash, Ben Lee, Field Mouse, Tracy Bonham, Lushlife and Eric Slick.
Sadie Dupuis has scored music for podcasts including Jamie Loftus' My Year in Mensa and Ghost Church, Chris Stedman's Unread, and the Songs in the Key of Death podcast alongside Bonnie Prince Billy.
In 2023 Sadie Dupuis was a co-writer on The New Pornographers album Continue as a Guest.
In September 2020, Sadie Dupuis released her second album as Sad13, Haunted Painting.
In November 2018, Sadie Dupuis released her first book of poetry, Mouthguard.
Sadie Dupuis has continued to publish as a freelance writer for Tape Op Magazine, Spin, and other publications.
Sadie Dupuis is a vegan, and as of 2018, she has eaten a vegan diet for more than thirteen years.
Sadie Dupuis is an avid runner and has trained for marathons on tour.
Sadie Dupuis was raised by her mother Diane Sadie Dupuis, an artist and former public school teacher.
Sadie Dupuis grew up with her mother's boyfriend who was a dog trainer, which inspired Dupuis as an advocate for animal rescue.