"A" or "la" as a masculine singular musical term, "her" or "it" as a feminine singular pronoun, and "the" as a definite article are English equivalents of the Italian word la. Context makes clear which meaning prevails. Regardless of meaning or use, the pronunciation will be "la" in Italian.
La bocca in Italian is "the mouth" in English.
La bella in Italian means "the beautiful" in English.
La vita in Italian means "the life" in English.
La cucina in Italian means "the kitchen" in English.
La padrona in Italian means "the mistress" in English.
La volpe in Italian means "the fox" in English.
La libertà in Italian means "liberty" in English.
La chiesa in Italian means "the church" in English.
La gamba in Italian means "the leg" in English.
La means "the" so la rosa is "the rose" when translated from Catalan, Italian or Spanish to English.
"Prairie" in English (la) prateria in Italian.
"Brotherhood" in English is la fratellanza in Italian.