Give her a print out of these adobe format papers from the University of Colorado for some background.
http://idrs.colorado.edu/Publications/Journal/JNL23/5_K314.pdf
http://idrs.colorado.edu/publications/journal/jnl24/cadenza.pdf
Sheet music at: http://www.bookmarkmusic.com/toc/816-60004.html#Concertos
There is also Mozart's Concerto for Flute and Harp which is just wonderful.
If you have a Tower Records, Borders, Barnes & Noble, there may be separate flute sections for James Galway and Jean Pierre Ramphal in many music styles. A fine Oboe player is Heinz Holliger. Mr. Ramphal also played a little jazz on the side.