Even if you didn’t know that music in film was the theme of this year’s Academy Awards, you had to notice the abundance of musical numbers. Nominees (Adele), past winners (Jennifer Hudson, Catherine Zeta-Jones), icons (Barbra Streisand), and even host Seth MacFarlane all took center stage to belt out a classic tune. You can catch them all, plus more, on ABC’s Oscar blog or click through for highlights, like Adele singing ‘Skyfall,’ which took home the Oscar for Best Song last night.

Jennifer Hudson killed it with “And I Am Telling You.”

Barbra Streisand sang ‘The Way We Were’ after the In Memorium segment, with a prelude to her departed friend, songwriter Marvin Hamlisch.

Norah Jones made a glamorous Oscar debut with Ted‘s ‘‘Everybody Needs a Best Friend’

The cast of Les Miserable sang a medley of songs from the movie.

Dame Shirley Bassey led the James Bond 50th tribute, belting out “Goldfinger.”

Catherine Zeta-Jones spiced it up with ‘All That Jazz.’

Seth MacFarlane risked ruining the ceremony, per time-traveling Capt. Kirk, with the song “We Saw Your Boobs.”

Kristen Chenoweth and MacFarlane played through the closing credits with “The Losers Song,” which we learned they rewrote as the show played and winners were announced.