Which commercial had a guy get a mariachi band to sing Lucy you want a cell phone?

The commercial you're referring to features a humorous scenario where a guy hires a mariachi band to serenade someone named Lucy, asking her to get a cell phone. This ad is likely from a campaign by a telecom company that emphasizes the importance of staying connected. The catchy tune and lively performance of the mariachi band aim to make the message memorable and entertaining.