======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '134'
                                          'artist'  'The Royal Lancers'
                                     'text_people'  ''
                                         'release'  'Explosive Doowops - Vol. 01 (Bb 55021)'
                                           'title'  'Oh Little Girl'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-syn-1', 'q-bass-3', "
 "'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['guys go pop 1965']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-doowop'
                                             'bpm'  '144.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Explosive Doowops - Vol. 01 (Bb 55021)'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-doowop'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Oh Little Girl'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Royal Lancers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'guys go pop 1965'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.19 dB'
'TXXX:replaygain_track_peak'                        '0.418852'

========================== row from database ==========================
                                              'id'  948629
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Explosive Doowops - Vol. 01 (Bb 55021)/24 - The Royal Lancers - Oh Little Girl.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  134
                                           'genre'  rock-pop-early-doowop
                                        'filesize'  2150461
                                           'mtime'  1620736407
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va 24 rock pop early doowop
                                      'tag_artist'  The Royal Lancers
                                     'tag_release'  Explosive Doowops - Vol. 01 (Bb 55021)
                                       'tag_title'  Oh Little Girl
                                             'bpm'  144.3
                                    'search_title'  'girl':3 'little':2 'oh':1
                                   'search_artist'  'lancers':3 'royal':2 'the':1
                                  'search_release'  '55021':7,8 'bb':5,6 'doowops':2 'explosive':1 'vol':3,4
                                     'search_rest'  '24':2 'doowop':6 'early':5 'pop':4 'rock':3 'va':1
                                    'search_combo'  '24':16 '55021':13C,14C 'bb':11C,12C 'doowop':20 'doowops':8C 'early':19 'explosive':7C 'girl':3A 'lancers':6B 'little':2A 'oh':1A 'pop':18 'rock':17 'royal':5B 'the':4B 'va':15 'vol':9C,10C
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['guys go pop 1965']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736406.8137665  (2021-05-11 14:33:26)
                             'size'  2150461