Friedrich Gottlieb Klopstock's epic "Der Messias" popularized accentual dactylic hexameter in German. The four major types are&colon; accentual verse, accentual-syllabic verse, syllabic verse and quantitative verse. There is no accentual metrical pattern. In poetry, the caesura is used to diversify rhythmical progress and thereby enrich accentual verse. It is a Medieval Latin poem characterized by its accentual stress and rhymed lines. This is sometimes referred to as the "accentual function" of prosody. Jeffers experimented with sprung rhythm as an alternative to accentual rhythm. Petrarch is a key figure in the imitation of Horace in accentual meters. He is a particular proponent of accentual verse. The English translation follows it closely but in accentual rhythm. Chichewa, a language widely spoken in Malawi, is tonal but has accentual properties. The details of the accentual approach are set out in Lindsay. Accentual and metrical clausulae were used by all the Gallic panegyrists. The shift can happen following nivellation of the two accents, a loss of accentual contrast. Most such works are accentual rather than quantitative.