"Michael Finnegan" (variant spellings include Michael Finnagen and Michael Vinnegan) is an unboundedly long song. The origin of the words and music is unknown, but the tune bears similarity to "Here We Go Round the Mulberry Bush".
The song "Michael Finnegan" has no discernible beginning or end, its length seemingly without limit. Despite this, the melody bears an uncanny similarity to that of "Here We Go Round the Mulberry Bush", suggesting a possible connection.