Possible Clues:

• Heroine of Cather's 'The Song of the Lark'
• "Take ___ Train" (Ellington classic)
• Classic TV's "___-Team"
• TV's '___-Team'
• Duke Ellington standard "Take ___ Train"
• ''Take --- Train''
• ''Take --- Train'' (Duke Ellington)
• Target of Hedda's jealousy
• Duke Ellington's ''Take --- Train''
• ___-Team (this puzzle's theme?)