Concerning the issue of fluency, one might ask, "What's the hurry? Why should teachers advocate for fluency?" Fluency in music reading is a common thread in the philosophies of music education's greatest pedagogues, and the wide spectrum of research surrounding music reading indicates that music educators are committed to researching the phenomenon of music reading from every angle in an attempt to better understand the reading process and improve music education for today's students. Ready, Set Doh! explores one such angle - the effect of timed practice drills on the music reading fluency of elementary strings students - and in doing so provides a wealth of insight into music education research, mastery learning research, and the relationship between basic fact mastery and musical understanding, continuity, and performance.