At the age of 16, he continued to develop his skills by taking lessons from music educators such as Josef Lhévinne and Konstantine Eiges for piano, and Nikolai Zhilyayev and Alexander Grechaninov for counterpoint, harmony, and composition.
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Later in life developed a hereditary type of Dementia, which was set on him very early, around the time that he was 21–22 years old.
Alexei Kosygin | Alexei Nikolaevich, Tsarevich of Russia | Alexei Sayle | Alexei Yagudin | Grand Duke Alexei Alexandrovich of Russia | Alexei Radzievsky | Alexei Panshin | Alexei Nemov | Alexei Lubimov | Alexei Maxim Russell | Alexei Grigoryevich Orlov | Alexei Filippenko | Alexei Alexeyevich Abrikosov | ''Rasputitsa (Sea of Mud)'', 1894, Alexei Savrasov | ''Losiny Ostrov in Sokolniki'' by Alexei Savrasov | Alexei Volodin | Alexei Tsvetkov | Alexei Shirov | Alexei Seliverstov | Alexei Savrasov | Alexei Ramírez | Alexei Ramirez | Alexei Popogrebski | Alexei Ponikarovsky | Alexei Petukhov | Alexei Petrovich, Tsarevich of Russia | Alexei Nikolaevich Leont'ev | Alexei Mikhailovich Vasiliev | Alexei Kudrin | Alexei Komech |