Sankirtan!
Madhvāchārya advocated devotional singing of the lord's name, Sankirtan, as an easy means to dissolve imperfections and to attain pure state eligible for liberation.
गोविन्दस्मरणं पुंसां पापराशिमहाचलम्। असंशयं दहत्याशु तूलराशिमिवानलः॥
"Certainly, men's sins as massive as the Himalayas can be burnt in no time by recalling Lord Govinda, just as a speck of fire can burn a heap of cotton." - Krishnamruta Maharnava.046
किं तस्य बहुभिस्तीर्थैः किं तपोभिः किमध्वरैः। यो नित्यं ध्यायते देवं नारायणमनन्यधीः॥
"What benefit is there in going to holy places, penance, or rituals for those who meditate on Lord Nārāyaṇa regularly?" - Krishnamruta Maharnava.052
The 'Sankirtan' under the disciple succession of Sri Madhvacharya has a long and established tradition in Karnataka enriched by best of classical singers India has produced. Here is a collection of their renderings.