More narrowly, "the" leading tone is the seventh scale degree of the diatonic scale, with a strong affinity for and leading melodically to the tonic (Benward & Saker 2003,203).
More narrowly, "the" leading tone is the seventh scale degree of the diatonic scale, with a strong affinity for and leading melodically to the tonic. 's "Maple Leaf Rag" (Benward & Saker 2003,203).