Inthemood

5 clues
Up for it?
A 40's hit
Swing Era hit
Glenn Miller classic
Chart-topping Glenn Miller tune
Similar answers:
Abenchinthepark
Abirdinthehand
Abirdinthesand
Absinth
Absinthe
Absintheminded
Acafeinthecrowd
Aceinthehole
Aceinthehull
Acryinthedark
Actintheplaceof
Adayinthe
Adayinthelife
Adayintheussr
Adeathinthe
Adivinityinthat
Adjointheclub
Adoginthemanger
Adroopinthebucket
Adropintheocean