The mark is a sound. The mark consists of a sound. The mark consists of two vocalists singing the words "SAFELITE REPAIR SAFELITE REPLACE" to a melody in the key of C Major, in 4/4 meter, at a tempo of 108 beats per minute. The melody consists of nine notes, where each note corresponds to a syllable in the words. The vocalists sing the first "SAFELITE" beginning with staccato harmonized E and G eighth notes on the syllables "SAFE" and "LITE". The word "REPAIR" is sung using staccato harmonized C and E eighth notes, with the syllable "RE" sung using harmonized C and E single eighth notes, and the syllable "PAIR" sung using two tied eighth notes. The second "SAFELITE" begins with both vocalists singing a staccato C note on "SAFE", followed by staccato harmonized C and G notes on the syllable "LITE". The word "REPLACE" is sung using staccato harmonized E and C eighth notes on the syllable "RE" and harmonized B and D quarter notes on the syllable "PLACE". The sound is terminated by a quarter rest followed by a half rest.