Baby grand, professional grand and concert grand are sizes of which instrument?

Babu Chiri Sherpa, who died in 2001, once spent over 21 hours on the summit of which mountain? In 1526, Babur, a Muslim ruler from Central Asia, conquered northern India and founded which empire? In 1968, baby-care author Dr. Benjamin Spock was indicted for counseling young men to resist what? Baby Dumpling was born in 1934 in which comic strip? "Baby Mine" and "Pink Elephants on Parade" are songs from which Disney film? What baby seat with a feeding tray lets a toddler eat at table height? "Baby, you're much too fast," sings Prince in which 1983 hit? Which major bank trades on the New York Stock Exchange under the ticker symbol BAC?