Simplify the following text for a Grade 5 native English-speaking person.
Original: The Hoshino Gakki company began in 1908 as the musical instrument sales division of the Hoshino Shoten , a bookstore company . The Ibanez brand name dates back to 1929 when Hoshino Gakki began importing Salvador IbÃ Ã ez guitars from Spain .
Simplified: The company was started by Hoshino Gakki .