======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '241'
                                          'artist'  "Gigi D'Agostino"
                                     'text_people'  'C. Montagner/D. Leoni/Di Agostino, L./P. Sandrini'
                                         'release'  'Absolute Dance 35'
                                           'title'  "L'amour Toujours"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', '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-3']")
                                      'lastfmtags'  "['dance', 'trance', 'techno', 'electronic', 'eurodance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '20'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '139.370'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Absolute Dance 35'
'TBPM' (BPM (beats per minute))                     '139.370'
'TCOM' (Composer)                                   'C. Montagner/D. Leoni/Di Agostino, L./P. Sandrini'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "L'amour Toujours"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Gigi D'Agostino"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Polystar'
'TRCK' (Track number/Position in set)               '1/20'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'techno', 'electronic', 'eurodance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.06 dB'
'TXXX:replaygain_track_peak'                        '0.485477'

========================== row from database ==========================
                                              'id'  1360512
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01 - lamour toujours.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  241
                                           'genre'  electronic-th-techno
                                        'filesize'  5819980
                                           'mtime'  1620572514
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 lamour toujours electronic th techno
                                      'tag_artist'  Gigi D'Agostino
                                     'tag_release'  Absolute Dance 35
                                       'tag_title'  L'amour Toujours
                                             'bpm'  139.37
                                    'search_title'  'amour':2 'l':1 'lamour':3 'toujours':4
                                   'search_artist'  'agostino':3 'd':2 'dagostino':4 'gigi':1
                                  'search_release'  '35':3 'absolute':1 'dance':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'lamour':7 'loose':3,4 'techno':11 'th':10 'toujours':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 '35':11C 'absolute':9C 'agostino':7B 'amour':2A 'd':6B 'dagostino':8B 'dance':10C 'electronic':20 'files':16,17 'gigi':5B 'l':1A 'lamour':3A,18 'loose':14,15 'techno':22 'th':21 'toujours':4A,19 'unsorted':13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'techno', 'electronic', 'eurodance']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572514.3445032  (2021-05-09 17:01:54)
                             'size'  5819980