======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '210'
                                          'artist'  'Ace of Base'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'All That She Wants (1993)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', '90s', 'swedish', 'female vocalists', 'pop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-europop'
                                             'bpm'  '93.673'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '93.673'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-europop'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'All That She Wants (1993)'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ace of Base'
'TRCK' (Track number/Position in set)               '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', '90s', 'swedish', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.675186'
'TXXX:tracknum'                                     '105'

========================== row from database ==========================
                                              'id'  1303557
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/105 - Ace of Base - All That She Wants (1993).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  210
                                           'genre'  electronic-th-ent-europop
                                        'filesize'  2949051
                                           'mtime'  1621696030
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 105 electronic th ent europop
                                      'tag_artist'  Ace of Base
                                     'tag_release'  None
                                       'tag_title'  All That She Wants (1993)
                                             'bpm'  93.673
                                    'search_title'  '1993':5,6 'all':1 'she':3 'that':2 'wants':4
                                   'search_artist'  'ace':1 'base':3 'of':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '105':3 '90s':2 'electronic':4 'ent':6 'europop':7 'th':5
                                    'search_combo'  '00poprockelectronic':10 '105':12 '1993':5A,6A '90s':11 'ace':7B 'all':1A 'base':9B 'electronic':13 'ent':15 'europop':16 'of':8B 'she':3A 'th':14 'that':2A 'wants':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', '90s', 'swedish', 'female vocalists', 'pop']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696030.0122626  (2021-05-22 17:07:10)
                             'size'  2949051