tonaphasia

ton·a·pha·si·a

(tōn'ă-fā'zē-ă),
Loss, through cerebral lesion, of the ability to remember tunes.
[G. tonos, tone, + a- priv. + phasis, speech]
Farlex Partner Medical Dictionary © Farlex 2012

tonaphasia

(tō″nă-fā′sē-ă) [L. tonus, a stretching, + a-, not, + phasis, speech]
Inability to remember a tune owing to cerebral lesion.
Medical Dictionary, © 2009 Farlex and Partners