A would be the letter which was accustomed to symbolize a group within an previous TV show, The A-Staff. A capital a is published "A". Use a funds A In the beginning of the sentence if composing. A is also a musical Take note, often referred to as "La".Within the Global Phonetic Alphabet, ⟨a⟩ is used for the open front unrounded vowel, ⟨ä⟩