Irini Konstantinidi was born in Athens (Greece) and began her music studies, taking piano lessons at the age of five. She attended Music Highschool of Pallini and in 2001 she graduated from University of Athens with a bachelor in Pedagogics.
From an early age she started singing and recording with several groups and later she participated in theatrical and dance theatre festivals, contributing in the musical scores with her singing and improvising performance.
In 2006 she obtained her diploma (winning the first prize) in Jazz vocal performance and improvisation, from Athenaeum Maria Callas Conservatory.
She has attended master classes on jazz singing and improvisation with various jazz musicians and vocalists such as Gretchen Parlato, Sheila Jordan, Miles Griffith, Deborah Davis, Mark Ledford and bassist Cameron Brown
Since 2006 she teaches Jazz Singing: vocal technique, vocal jazz and improvisation.
At fall of 2013 she began her cooperation with the Jazz department of Musical Praxis Conservatory, as a jazz vocals teacher.
As a lead singer, she has formed several groups, arranging and performing jazz standards, on some of which she has written lyrics of her own.
In 2009 she started writing lyrics for drummer Thanos Hatzianagnostou’s compositions and by the fall of 2010 they had both formed the group: The Wonder-fall Quartet.
She has also created an experimental project, called Jazz-bound, exploring the colorful aspects of the voice as an instrument in jazz music and interacting with other musicians, in order to create diverse musical and sound environments.