1. Symphony No. 5 in C Minor, Op. 67: Often referred to as "Beethoven's Fifth," this symphony is one of the most recognizable pieces of classical music and features the iconic four-note motif known as the "Fate" motif.
2. Symphony No. 9 in D Minor, Op. 125: Also known as the "Choral Symphony," Beethoven's Ninth Symphony is his final complete symphony and features choral sections in the fourth movement, including the famous "Ode to Joy."
3. Piano Concerto No. 5 in E-flat Major, Op. 73: This concerto, known as the "Emperor Concerto," is considered one of Beethoven's greatest piano concertos and is characterized by its grand and majestic nature.
4. Moonlight Sonata (Sonata No. 14 in C-sharp Minor, Op. 27, No. 2): This sonata is one of Beethoven's most popular and recognizable piano sonatas and is known for its dreamy first movement.
5. Für Elise (Bagatelle No. 25 in A Minor, WoO 59): This short piano piece is one of Beethoven's most well-known compositions and is loved for its simple yet touching melody.
6. Symphony No. 6 in F Major, Op. 68: Also known as the "Pastoral Symphony," this symphony depicts various scenes from nature and is known for its beautiful and evocative melodies.
7. Concerto for Violin and Orchestra in D Major, Op. 61: This violin concerto is considered one of the most important works in the violin repertoire and is admired for its virtuosic demands and lyrical melodies.
These compositions represent just a small selection of Beethoven's vast body of work, which continues to be cherished and performed around the world, making him one of the most influential and revered composers in history.