The speaker is impressed by the musician in this poem include, "With his ebony hands on each ivory key, He made that poor piano moan with melody"
The speaker pays attention towards the musician because the musician plays a piano with creating a beautiful melody. The speaker felt happy while listening the melody of the song.
The speaker thought that the musician have full of knowledge about the rhythms of piano and that give him a happiness and made him impressed for his ebony hands.
Therefore, correct option is B.
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