| A Gospel Christmas | — | James A. Jr. Beckel |
| A Grand, Grand Overture | Op. 57 | Malcolm Arnold |
| A Hero of our time | — | Edwin London |
| A hero's life | Op. 40, TrV 190 | Richard Strauss |
| A hero's song (piseň bohatýrská; heldenlied) | Op. 111 | Antonín Dvořák |
| A holiday hoedown | — | Daniel Kallman |
| A Jazz Symphony | — | George Antheil |
| A John Field Suite | — | Hamilton Harty |
| A Joplin overture | — | Paul Turok |
| A Laurentian Overture | — | Alan Shulman |
| A lexicon of beasties | — | Luigi Zaninelli |
| A life for the tsar: krakoviak | — | Mikhail Glinka |
| A life for the tsar: overture | — | Mikhail Glinka |
| A masked ball: preludio | — | Giuseppe Verdi |
| A mass of life | — | Frederick Delius |
| A Midsummer night's dream | Op. 12 & 61 | Felix Mendelssohn Bartholdy |
| A Midsummer night's dream: Intermezzo | Op. 61 | Felix Mendelssohn Bartholdy |
| A Midsummer night's dream: Nocturne | Op. 61 | Felix Mendelssohn Bartholdy |
| A Midsummer night's dream: overture | Op. 21 | Felix Mendelssohn Bartholdy |
| A Midsummer night's dream: Scherzo | Op. 61 | Fanny Mendelssohn Hensel |
| A Midsummer night's dream: Wedding March | Op. 61 | Felix Mendelssohn Bartholdy |
| A mirror on Which to Dwell | — | Elliott Carter |
| A New England tarantella | — | Alan Shulman |
| A night piece | — | Arthur Foote |
| A nocturne for strings | — | Alan Shulman |
