 Nyora kupfuurira kweiyi ndima - Bhendi rakaita paGlastonbury Festival muna 2008 uye rakaburitsa yavo yekutanga EP gare gare gore rimwe chetero. Marshall naMumford vakatora mabasa muchitoro chekare chinotungamirirwa naamai vaMarshall kuitira kuchengetedza mari yekugadzira nekurekodha mimhanzi naMumford Sons. Vakafamba naMarling naJohnny Flynn kubva muna 2008 kusvika muna 2009; Marshall ainetseka kuita muUnited States, achiziva kuti banjo yakajairika ipapo kupfuura kuUnited Kingdom uye vateereri vavo vaizoziva kana aive akanaka kana kwete. Muna 2009, vakatora nziyo dzavo dzerwendo sedambarefu ravo rekutanga. Iyo album, Sigh No More, iyo Marshall inonzi inonzi Country Winston, yakabudiswa gore iroro pamwe chete ne Little Lion Man; yakanyorwa naMumford, rwiyo rwakasarudzwa paGrammy Awards ya2011Rwiyo Rwakanakisisa Rworwiyo Rworwiyo. The bhendi akanga nominated nokuda Grammy nokuda Best New Artist, uye akaita pamhemberero pamwe Bob Dylan uye Avett Brothers. Sigh No More yakahwina Brit Award yeBritish Album yeGore muna 2011. 