A may be the letter which was accustomed to depict a staff within an outdated Tv set show, The A-Crew. A capital a is prepared "A". Use a capital A Firstly of a sentence if writing. A is additionally a musical Observe, from time to time often called "La".While in the Worldwide Phonetic Alphabet, ⟨a⟩ is useful for the open front unrounded vowel,