Weezer: "Butterfly"

Piano solo arrangements of Weezer’s “Butterfly” highlight the song’s raw vulnerability, transforming its acoustic intimacy into a quiet, emotional reflection. The gentle piano melodies enhance the confessional tone of the lyrics, bringing a delicate elegance to this bittersweet closing track.

This post is part thirty of the Mild & Mellow Sheet Music Series.
Weezer: "Butterfly"

About Weezer:

Weezer is an American rock band formed in Los Angeles in 1992, best known for blending catchy pop melodies with alt-rock energy and emotionally charged lyrics. Fronted by lead vocalist and guitarist Rivers Cuomo, the band quickly rose to fame with their self-titled debut, often referred to as The Blue Album (1994), which featured hits like “Buddy Holly,” “Say It Ain’t So,” and “Undone – The Sweater Song.” Known for their quirky style, clever songwriting, and nerdy charm, Weezer carved out a unique space in the 1990s rock scene, bridging the gap between grunge and power pop. Their music combines crunchy guitars with heartfelt, often self-deprecating lyrics that resonate with themes of isolation, longing, and identity.

Over the years, Weezer has released a wide range of albums, each marked by distinct stylistic shifts—from the introspective melancholy of Pinkerton (1996) to the polished pop-rock of Make Believe (2005) and experimental records like OK Human (2021). Despite changes in sound and lineup, the band has maintained a loyal fanbase and consistent cultural relevance, often reinventing themselves while staying true to their melodic roots. Weezer’s influence spans generations, and their willingness to take creative risks has helped them remain a defining force in alternative rock for over three decades.


About “Butterfly”:

“Butterfly” is the closing track on Weezer’s 1996 album Pinkerton, offering a stark and emotional contrast to the rest of the record’s louder, more aggressive sound. Stripped down to just acoustic guitar and vocals, the song features frontman Rivers Cuomo delivering a raw, confessional performance that feels deeply personal and vulnerable. Inspired in part by a failed romantic encounter and the broader theme of unintended emotional damage, “Butterfly” uses gentle metaphors to express guilt and regret. Its lo-fi production and quiet delivery heighten the intimacy, making it one of the most haunting and memorable songs in Weezer’s catalog.

Though not released as a single, “Butterfly” has become a fan favorite and a critical highlight of Pinkerton, an album that initially received mixed reviews but has since been recognized as a cult classic. The song’s minimalist arrangement and emotional openness capture the album’s overarching themes of longing, disappointment, and the complexities of human connection. Over time, “Butterfly” has been interpreted as a symbolic farewell—both to the reckless emotional candor of Pinkerton and to a chapter of Rivers Cuomo’s life. Its quiet intensity and poetic vulnerability continue to resonate with listeners who connect with its sense of remorse and quiet reflection.


🎶 “Butterfly” Intermediate Lyrical Version

Key features of this version:

  • In the original key (have fun with that!)
  • Sections have modified ranges for a sparkling sound
  • 4 total pages
  • Run time is approximately 3:15

🧐 Sheet music sneak peek:


🎶 “Butterfly” Intermediate Piano Solo

Key features of this version:

  • Transposed to G major (you’re welcome)
  • Melody set in originally recorded vocal range
  • 4 total pages
  • Run time is approximately 3:15

🧐 Sheet music sneak peek:


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Jennifer Eklund
Written by Jennifer Eklund
Jennifer Eklund holds a bachelor’s and a master’s degree in music from California State University, Long Beach. She is an avid arranger, composer, and author of the Piano Pronto® method books series as well as a wide variety of supplemental songbooks. She is also a Signature Artist with Musicnotes.com with a large catalog of popular music titles for musicians of all levels.

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