Tim Rhys-Evans, the man behind popular choirs Only Boys Aloud and Only Men Aloud, said it was difficult to keep news of his MBE a secret.
He told ITV Cymru Wales his grandmother was reduced to tears on the day he received the letter, while his mother was 'beaming'.
"It's very emotional, actually. I feel very honoured and very humbled," he added.
More top news
First Minister Carwyn Jones says Wales must not get a bad deal in Brexit negotiations. He was speaking at meeting of British-Irish Council.
Isolated showers may last into the late evening, but a dry night.
Expensive lingerie worth more than £100 were bought fraudulently on one of its credit cards, says Welsh Government.