======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'The Arrogant Worms'
                                     'text_people'  ''
                                         'release'  "Russell's Shorts"
                                           'title'  'Rippy The Gator'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['funny', 'comedy', 'humour', 'folk', 'canadian']"
                                     'discogstags'  "['folk, world, & country', 'comedy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'entertaining-comedians'
                                             'bpm'  '141.809'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Russell's Shorts"
'TBPM' (BPM (beats per minute))                     '141.809'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-comedians'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Rippy The Gator'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Arrogant Worms'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['folk, world, & country', 'comedy']
'TXXX:lastfmtags'                                   ['funny', 'comedy', 'humour', 'folk', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.746626'

========================== row from database ==========================
                                              'id'  1532573
                                            'path'  /data/Music/Bulk/00spent/Arrogant Worms/Russell_s Shorts/MBZ;#Arrogant Worms;#Russell_s Shorts;#03;#Rippy The Gator.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  entertaining-comedians
                                        'filesize'  2875989
                                           'mtime'  1620647230
                                   'redo_metaread'  0
                                        'rest_str'   00spent Russell_s MBZ;#Arrogant Worms;#Russell_s Shorts;#03;#Rippy entertaining comedians
                                      'tag_artist'  The Arrogant Worms
                                     'tag_release'  Russell's Shorts
                                       'tag_title'  Rippy The Gator
                                             'bpm'  141.809
                                    'search_title'  'gator':3 'rippy':1 'the':2
                                   'search_artist'  'arrogant':2 'the':1 'worms':3
                                  'search_release'  'russell':1 'russells':3 's':2 'shorts':4
                                     'search_rest'  '00spent':1 '03':15,18 'arrogant':5,7 'comedians':21 'entertaining':20 'mbz':4,6 'rippy':16,19 'russell':2,9,12 's':3,10,13 'shorts':14,17 'worms':8,11
                                    'search_combo'  '00spent':11 '03':25,28 'arrogant':5B,15,17 'comedians':31 'entertaining':30 'gator':3A 'mbz':14,16 'rippy':1A,26,29 'russell':7C,12,19,22 'russells':9C 's':8C,13,20,23 'shorts':10C,24,27 'the':2A,4B 'worms':6B,18,21
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['funny', 'comedy', 'humour', 'folk', 'canadian']
                                        'tag_date'  2000
                                     'discogstags'  ['folk, world, & country', 'comedy']

============================== file details ==============================
                                           'mtime'  1620647230.0992117  (2021-05-10 13:47:10)
                             'size'  2875989