tune

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tune

1. a melody, esp one for which harmony is not essential
2. the most important part in a musical texture
3. the condition of producing accurately pitched notes, intervals, etc. (esp in the phrases in tune, out of tune)
4. accurate correspondence of pitch and intonation between instruments (esp in the phrases in tune, out of tune)
5. the correct adjustment of a radio, television, or some other electronic circuit with respect to the required frequency (esp in the phrases in tune, out of tune)

tune

[tün]
(electronics)
To adjust for resonance at a desired frequency.

tune

(jargon)
(From musical, possibly via automotive, usage) To optimise a program or system for a particular environment, especially by adjusting numerical parameters designed as hooks for tuning, e.g. by changing "#define" lines in C. One may "tune for time" (fastest execution), "tune for space" (least memory use), or "tune for configuration" (most efficient use of hardware).

See bum, hot spot, hand-hacking.
References in periodicals archive ?
So, in a bold and brilliant move, the dazzling duo cleverly adapted the lyrics of their favourite classic and started tunelessly screeching "Amazing grace...
From tunelessly bashing on the guitar as a baby, or playing the violin or flute in the school orchestra, to having a boogie at the disco, it's always been there - lifting, calming, and comforting.
The five-piece were as uncompromising as ever, playing their tunelessly tuneful garage rock with trademark panache.
At college practically the first thing I did was join the folk club, which seemed to involve a lot of drinking and singing raucously and tunelessly, with a bit of guitar-twanging, harmonica-blowing and bodhran-rattling thrown in.
Instead of the man who wrote, amongst too many masterpieces to mention in full, the Enigma Variations and Dream of Gerontius (or, if you prefer, the music to which 'Land of Hope and Glory' is tunelessly chanted), we got Adam Smith, the Scottish economist who wrote 'An Inquiry into the Nature and Causes of the Wealth of Nations'.
All technique, gallons of surgery gloop, and not an atom of soul anywhere." Geri Halliwell was spotted whistling tunelessly and surreptitiously sidling away...
On Friday evenings he comes home to find her spindly little stick figure swathed in a flowing skirt and peasant blouse, lighting the special Sabbath candles and waving her long white fingers with the green nail polish around the flames, humming tunelessly to herself, eyes soft and blurry.
MEMBERS of the Government and its minions seem to be singing tunelessly from different hymn sheets.
Obviously, at this stage of the band's evolution, all eyes were cast mistily backwards, several nearby audience members tunelessly humming the words to their favourite songs.