(idiomatic, music) To sing some music while someone else is singing or playing the same piece of music or while it is being broadcast or performed

Used other than figuratively or idiomatically: see play, along. / (idiomatic) To take part in a charade, deception, or practical joke.

present participle of sing along

simple past tense of sing along

plural of sing along

Third-person singular simple present indicative form of sing along

past participle of sing along

present participle of run along

Similar to, but not exactly equal.

To leave; to make one's way somewhere else.