Answer by  
                                                                                          Anonymous
                                                            
                          
                          
                                                          Mozart and Haydn were good friends; Haydn offered occassional advice to Mozart, however he didn't really teach Mozart as he was already a successful composer at the time. Mozart dedicated the 6 Haydn Quartets to him. Upon hearing of Mozart's death, Haydn was distraught and offered to teach Mozart's son.