Clara and Mateo hang out in her room. It plays again later, when Clara tells Mateo that she wants their relationship to remain a secret. It plays again later, when Clara quits her secretary job.
Raúl sings this at the party. In the official Velvet soundtracks, both the Bobby Vinton version and the version sung by Raúl (Asier Etxeandía) are included. The Vinton version is in Velvet Vol. 2 and the Raúl version is in Velvet Vol. 1.
If You Only Knew feat. Scott Nickoley & Stephen Lang — Ronald Dunlap
Since Ana and Alberto have had a lot of fun at the party, they feel like fighting for each other is worth it, and sneak some kisses at the country club.