Bernstein 39: "Metrical versification traditionally has been used / for this purpose: the regular recurrences of sounds / & beats lulling--or pulling--the attention / inward"
However: "metricality & other / traditional prosodic devices, especially when / foregrounded, can be potent antiabsorptive / techniques (& were traditionally used as such / by many English poems prior to the rise of / Romanticism). A sestina, in almost anybody's / hands, seems artificial."