The cover features a "jazz waltz blues" style, utilizing a pentatonic scale that suggests a "blues" feel while maintaining the minor tonality of the original. Vocal Performance

Janis Joplin 's rendition of is considered one of the most powerful interpretations of the George Gershwin classic, transforming a 1935 operatic lullaby into a "white-hot" blues-rock masterpiece. Musical Arrangement and Origin

Joplin made the song her own by altering some of the original lyrics and accentuating every syllable to heighten the narrative. Key Performances and Legacy

Joplin's delivery is noted for its "raw, agonizing" emotion. Observers described her voice as being under so much stress from passion that it occasionally "split into two lines".

Composed by George Gershwin for the opera Porgy and Bess , "Summertime" is originally an aria sung as a lullaby.