¡Oye! ¿Cómo va? by Santana
oye como va
2 Answers
Oye como va (Literally) Listen to how it goes (Colloquially "Hey what's up!" or "Check it out!")
Source: Oye Como Va
Although "¡Oye! ¿Cómo va?" can mean "Hey, What's up!" in the song he's talking about the rhythm...Listen to how it goes.