Ab,
Wizard is the solution to the clue given, but one then has to convert it to a word meaning the same, but with the number of letters appearing in the grid! To complicate things further the grid solution has to be the name of a composer. Wordless
Now got two left. 26 across and 26down
26acswerve, failing to keep left (7); (5) I have ??R?Y
And 26dn Power plug's protection (4) I have ??D?
Help please. Wordless