old song

1.
Globalneutralliterary
- A song that originates from an earlier time; a long-established or traditional tune.
2.
Globalinformalcolloquial
- A familiar or repeatedly told story, excuse, or complaint; a recurring theme or refrain that is dull through repetition.
- Used in the phrase 'the same old song' to indicate monotony or predictability.
3.
Globalinformalcolloquial
- Part of the idiom 'old song and dance,' meaning a rehearsed tale or familiar pretext intended to deceive or deflect.

Examples: