Simplify the following text for a Grade 7 native English-speaking person.
Original: istomilas ya goryem ) ( Liza ) Song : `` If pretty girls could fly like birds '' Â `` Ð Ñ Ð '' Ð Ð Ð 1\/4 Ð Ð '' Ñ Ð Ð Ð Ð Ð Ñ Ñ Â '' ( Yesli b milÃ ye dyevitsÃ ) ( Tomsky ) Aria : `` What is our life ? Â `` Ð Ñ Ð 3\/4 Ð 1\/2 Ð Ñ Ð Ð Ð Ð Ð 1\/2 Ñ ?
Simplified: The Queen of Spades ( Ð Ð Ð Ð 3\/4 Ð Ð Ñ Ð Ð Ð 1\/4 Ð in Russian , pronounced Pi-KO-va-ya DA-ma ) is an opera by Tchaikovsky .