(informal) Any badly played or discordant piece of music.

plural of tune the old cow died of

It takes an experienced person to execute a difficult undertaking.

(informal, slang, African-American Vernacular) In an unspecified, careless, or random manner; in any way; haphazardly.

Alternative form of everything old is new again

plural of new wine in an old bottle

(informal)

Alternative form of as demure as a whore at a christening

(idiomatic, Britain) Alternative form of give someone the heave-ho

It is possible to learn new things, at any age; follow your desires and dreams.