Hints & Solutions Edit
Highlight the white text inside the block for hints ranging from vague to specific...
In order, the answers to the "in" clues are TANGO, NATION, CORSET, CONCESSION, SHORTER, DRESS, BENCH, PANE, AUNT, DIRECT.
The transformations (in order) are:
Add a music note at the front: NATION -> DONATION
Change the fourth letter to N: CORSET -> CORNET
Drop the last letter and reverse: TANGO -> GNAT
Insert L after the first letter: PANE -> PLANE
Change the third letter to A: -> BENCH -> BEACH
Replace the first letter with CO: AUNT -> COUNT
Move the third letter one later and double it: DIRECT -> DISSECT
Replace a conjunction with UT: SHORTER -> SHUTTER
Move the fourth letter 3 forward: CONCESSION -> CONFESSION
Apply all this to the leftover word DRESS:
DRESS -> REDRESS -> REDNESS -> SENDER -> SLENDER -> SLANDER -> COLANDER -> COMMANDER -> COMMUTER -> COMPUTER