Looks like Gleeks will be livin' la vida loca this week! Ricky Martin will make his highly anticipated debut as a night school teacher in the latest 'Glee' installment, 'The Spanish Teacher.' Obviously, Latin influences will dominate the soundtrack to the episode. What can we expect to hear?

Somewhat surprisingly, 'Glee' won't feature exclusively Latin music -- party rockers LMFAO and the King himself, Elvis Presley, each have songs featured in 'The Spanish Teacher.' Martin performs 'Sexy and I Know It' solo before teaming up with Santana later on for Madonna's 'La Isla Bonita,' while Will asks for less talk and more action with 'A Little Less Conversation.'

When Will assigns his students a Spanish singing assignment, they enlist Martin's help. However, 'Glee' being 'Glee' -- rife with subplots and surprises -- there is more at play here than rolling rs and salsa moves. Rachel Berry (Lea Michele) tells Kurt (Chris Colfer) and Mercedes (Amber Riley) about Finn’s marriage proposal from 'Yes/No.'

In the meantime, Mercedes must face her own romance issues. Her troubles inspire her to break out into Gloria Estefan's 'Don't Wanna Lose You.'

'Glee': 'The Spanish Teacher' airs tomorrow, Feb. 7, at 8PM ET. The soundtrack will be available on iTunes tomorrow as well. We can't wait to see and hear the drama unfold!

'The Spanish Teacher' Episode Song List:
- Will, Puck, Cory and Artie, 'La Cucaracha' (Traditional)
- Ricky Martin, 'Sexy And I Know It' (LMFAO)
- Mercedes, 'Don't Wanna Lose You' (Gloria Estefan)
- Puck, New Directions (Boys), 'Bamboleo / Hero Medley' (Gypsy Kings / Enrique Iglesias)
- Ricky Martin and Santana, 'La Isla Bonita' (Madonna)
- Will, 'A Little Less Conversation' (Elvis Presley)