Musical instrument craftsman Manfred Paulus adjusts the valves of world's largest functional tuba at the Musikinstrumenten-Museum on March 8, 2013 in Markneukirchen, Germany. - 

From the Marketplace Datebook, here's a look at what's coming up Friday, May 2:

In Washington, the Labor Department reports on the employment situation for April.

The Commerce Department reports on March factory orders.

Will it rain? Shine? Snow? Hurricane? The Weather Channel debuted on this date in 1982. How did we get dressed without it?

And in 1936 Sergei Prokofiev's symphony, "Peter and the Wolf," premiered at the Moscow Children's Musical Theater.

Sticking with our musical theme: it's International Tuba Day.