Stavros Xirellis, known as Titos (Greek: Τίτος Ξηρέλλης) (1900/03 - 24 January 1985) was a Greek operatic baritone and composer. Xirellis was a native of , Lesbos; the date of his birth is uncertain. He was born into a poor family, the son of a blacksmith. Early in life he was a cantor; he also took violin lessons in Mytilene before traveling to Athens for study at the Conservatory, where his vocal instructor was . Other instructors there included , for harmony, and , for theory, with whom he worked from 1917 until 1919. In the latter year he began studies with , with whom he stayed until 1920. Throughout this time he remained a pupil of Foka. Xirellis graduated from the Conservatory with a Gold Medal for Excellence in Solo Work and Opera in 1920. Originally intending to be a tenor, he deb