======================== unified (from filesystem) ========================
                                         'bitrate'  '191.687'
                                        'duration'  '195'
                                          'artist'  'Rednex'
                                     'text_people'  ''
                                         'release'  'Sex & Violins'
                                           'title'  'Cotton-Eye Joe'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                     'discogstags'  "['electronic', 'pop', 'eurodance', 'dance-pop', 'country', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '132.012'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sex & Violins'
'TBPM' (BPM (beats per minute))                     '132.012'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Cotton-Eye Joe'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rednex'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'pop', 'eurodance', 'dance-pop', 'country', 'ballad']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.523857'

========================== row from database ==========================
                                              'id'  1300856
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 - EuroDance Hit 93-95 vol 4 - Coton eyes joe.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  
                                        'filesize'  4683467
                                           'mtime'  1652397924
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 EuroDance Hit 93 95 vol 4 Coton eyes joe
                                      'tag_artist'  Rednex
                                     'tag_release'  Sex & Violins
                                       'tag_title'  Cotton-Eye Joe
                                             'bpm'  132.012
                                    'search_title'  'cotton':1 'cottoneye':3 'eye':2 'joe':4
                                   'search_artist'  'rednex':1
                                  'search_release'  'sex':1 'violins':2
                                     'search_rest'  '00poprockelectronic':1 '4':12 '93':9 '95':10 'coton':13 'dance':17 'euro':16 'eurodance':7 'eyes':14 'files':5,6 'hit':8 'joe':15 'loose':3,4 'unsorted':2 'vol':11
                                    'search_combo'  '00poprockelectronic':8 '4':19 '93':16 '95':17 'coton':20 'cotton':1A 'cottoneye':3A 'dance':24 'euro':23 'eurodance':14 'eye':2A 'eyes':21 'files':12,13 'hit':15 'joe':4A,22 'loose':10,11 'rednex':5B 'sex':6C 'unsorted':9 'violins':7C 'vol':18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'pop', 'eurodance', 'dance-pop', 'country', 'ballad']

============================== file details ==============================
                                           'mtime'  1652397923.6367857  (2022-05-13 01:25:23)
                             'size'  4683467