======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '57'
                                          'artist'  'TV Themes'
                                     'text_people'  ''
                                         'release'  "Television's Greatest Hits Volume 3 (70's & 80's)"
                                           'title'  'Little House On The Prarie'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '42'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '131.158'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     "Television's Greatest Hits Volume 3 (70's & 80's)"
'TBPM' (BPM (beats per minute))                     '131.158'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Little House On The Prarie'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'TV Themes'
'TRCK' (Track number/Position in set)               '42'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.539012'

========================== row from database ==========================
                                              'id'  851178
                                            'path'  /data/Music/Bulk/0soundtrack/[tv tunes]/(42) - Little House On The Prarie.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  57
                                           'genre'  soundtrack-video-series
                                        'filesize'  917683
                                           'mtime'  1623408298
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [tv tunes] (42) soundtrack video series
                                      'tag_artist'  TV Themes
                                     'tag_release'  Television's Greatest Hits Volume 3 (70's & 80's)
                                       'tag_title'  Little House On The Prarie
                                             'bpm'  131.158
                                    'search_title'  'house':2 'little':1 'on':3 'prarie':5 'the':4
                                   'search_artist'  'themes':2 'tv':1
                                  'search_release'  '3':7 '70':8 '70s':10 '80':11 '80s':13 'greatest':4 'hits':5 's':2,9,12 'television':1 'televisions':3 'volume':6
                                     'search_rest'  '0soundtrack':1 '42':6,7 'series':10 'soundtrack':8 'tunes':4,5 'tv':2,3 'video':9
                                    'search_combo'  '0soundtrack':21 '3':14C '42':26,27 '70':15C '70s':17C '80':18C '80s':20C 'greatest':11C 'hits':12C 'house':2A 'little':1A 'on':3A 'prarie':5A 's':9C,16C,19C 'series':30 'soundtrack':28 'television':8C 'televisions':10C 'the':4A 'themes':7B 'tunes':24,25 'tv':6B,22,23 'video':29 'volume':13C
                                    'tag_tracknum'  42
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623408298.4450471  (2021-06-11 12:44:58)
                             'size'  917683