Estruendosa means "thunderous" or "boisterous", describing something that makes a loud, roaring sound. It's a powerful and uncommon adjective to describe a person, which makes it so memorable.
In this passionate salsa track, Marc Anthony sings, "Te quiero así estruendosa y delicada" (I love you like this, thunderous and delicate). He uses this beautiful contrast to describe a lover who is both full of powerful, vibrant energy and possesses a soft, gentle side, showing his adoration for every part of her personality.
This is one of Marc Anthony's most famous salsa tracks, and it's a pure, explosive declaration of love. He's not just saying 'I love you'; he's describing exactly how this person's love affects him, and it's all-consuming. The main idea is right there in the chorus: "Tu amor me hace bien" (Your love does me good). But it's more than just feeling good. He says her love disarms, controls, and even ties him up: "Tu amor me desarma... me controla... me vence, me amarra" (Your love disarms me... controls me... defeats me, ties me up). It's a total surrender to the feeling.
What makes the song so great is how he loves every part of her, even the contradictions. He loves her when she's "estruendosa y delicada" (loud and delicate) and when she's "tan precisa, equivocada" (so precise, so mistaken). She is his strength, the one who makes him strong and lifts him up when he falls. For him, this love is the real deal, something that "sale del alma" (comes from the soul) and makes his skin feel like it's on fire. It's a song about finding a love that's both a peaceful harbor and an exciting storm.