Common addition to a Martini (5)

Lie back (7)

From Khartoum, say (8)

Wee (4)

Where an aircraft may be kept (6)

Overall (2,4)

Lengthy yarn (4)

Character introducing e.g. the left-hand part of a piano score (4,4)

In metallurgy, treats with heat (7)

Pillage (5)

Muscle important in respiration (9)

German piano manufacturer (8)

A soft touch? (6)

Move slowly – imperial measure (4)

Potion conferring immortality (6,2,4)

Now and again (5,2,5)

Stay-at-home dad, perhaps (5,7)

Ulterior motive (6,6)

Swedish physicist, d. 1874 – Mrs Tonga (anag.) (8)

Feeling of sickness (6)

St Matthew Passion composer (4)