Possible Clues:

• Key of Dvorak's 'New World Symphony'
• Key of Dvorak's "New World Symphony"
• Key of Sibelius' First Symphony
• Scale with one sharp
• Key akin to G major
• Key of Bon Jovi’s “Livin’ on a Prayer”
• Easy guitar chord to learn
• Key of Dvoák’s “New World Symphony”
• Key of Brahms' Fourth Symphony