Is this usage very common?

Yes, "music to my ears" is a well-known idiom that all native speakers will understand (at least, it is British English).

Thanks,

His being expelled from school is music to my ears.
His moving to downstairs is music to my ears.

Are these two sentences right?

If something that you hear is music to your ears, it makes you feel very happy.

The news of his resignation makes you feel very happy.

His being expelled from school makes you feel very happy.

If that is what you mean, the sentences are correct.

Vctory Ong
His being expelled from school is music to my ears.

His moving to downstairs is music to my ears.

Are these two sentences right?

They're OK after the correction noted, but there is a slight awkwardness about the juxtaposition of the formal "His being..."/"His moving" and the informal or idiomatic "music to

Thanks,
Would you please help me to change them into another types of expressions?
Informal ones
And formal ones

I think it will help me to improve my skill of making sentences.
I actually have no ideas of how to changing them, I hope to learn from your ways of changing.
Many thanks in advance

Well, in conversation, people might well say "Him being/moving...". I'm not sure I should be recommending this form to you though, since purists would say it's ungrammatical. I'd definitely avoid it in more formal writing.

To avoid the not-very-conversational "His being/moving", you could also say:

"His expulsion from school is music to my ears."

"His move downstairs is

Good advice from Mr Wordy.

I'll just add that the expression is quite common in the US as well.

Vctory OngWould you please help me to change them into another types of expressions?

You can use "it was music to my ears" before or after "when I heard that ...", like this:

It was music to my ears when I heard that Mr. Torquemada resigned.
When I heard that Mr. Torquemada resigned, it was music to my ears.

It was music to my ears when I