Complex sentence: Artists who have recorded versions of Molly Malone include U2, Frank Harte, Sinéad O'Connor, Johnny Logan and Paul Harrington however the best known version is by The Dubliners.
Split into simpler sentences: Artists who have recorded versions of Molly Malone include U2, Frank Harte, Sinéad O'Connor, Johnny Logan and Paul Harrington. However the best known version is by The Dubliners.