US singer takes Yankee Doodle allegro skipping odd bits (7)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Y (Yankee in the phonetic alphabet) + plus alternate letters (‘skipping odd bits’) of dOoDlE aLlEgRo – a US singer because American English omits one of the ‘l’s in ‘yodeller’ – how it should be spelt!