Here is the translation of the given text into English:
Johann Sebastian Bach was a great German composer, educator, organist, and master of polyphonic music. He was born in 1685. From childhood, he learned to play the harpsichord and organ. At the age of 15, he began his studies at the choir school in the city of Lüneburg. During this time, he became acquainted with the works of contemporary composers. After completing his education, he worked as a musician at the court and later became the organist at a church. Bach composed more than 1,000 works in various genres. In the last years of his life, he lost his sight. He lived a difficult life. He died in 1750 in Leipzig, but his artistic legacy remains immortal.