What makes Flores de alquiler by La 5ª Estación notable?

'Flores de alquiler' produced multiple chart-topping hits, establishing La 5ª Estación as a leading force in Latin pop. The single 'El sol no regresa' became particularly significant, earning acclaim and contributing to the band's recognition across Spanish-speaking countries. Released in 2004, 'Flores de alquiler' marked La 5ª Estación's third studio album, following their successful 2003 record 'Dulce locura.' At this point in their career, the band was solidifying their presence in the Spanish pop scene, building on their previous commercial success with hit singles.