Chopin best arranged for piano music ever, and his burial service walk was played at the memorial service of John F Kennedy. He was a Polish author and virtuoso piano player of French-Polish parentage. He is viewed as one of the colossal bosses of Romantic music.
These are in 2/4 time. They have two beats per measure. Remember that an eighth not equals one half of a beat, a quarter not equals one beat, a half note equals two beats, and a whole note equals four beats. To make these measures in 4/4 (four beats per measure) you would have to add four eight notes, two quarter notes, or one half note to each measure.
A short vowel for accomplice is a helper in crime?