======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '138'
                                          'artist'  'The Darkening Scale'
                                     'text_people'  'The Residents'
                                         'release'  'Stuck Bad'
                                           'title'  'Acid Ash Bed'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'avant garde', 'ambiant', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '110.8'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Stuck Bad'
'TBPM' (BPM (beats per minute))                     '110.8'
'TCOM' (Composer)                                   'The Residents'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Acid Ash Bed'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Darkening Scale'
'TPE2' (Band/orchestra/accompaniment)               'The Darkening Scale'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dark ambient', 'avant garde', 'ambiant', 'electronic', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.626160'

========================== row from database ==========================
                                              'id'  1388663
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/the darkening scale - stuck bad (2011)/07 Acid Ash Bed.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  138
                                           'genre'  electronic-ambient-dark
                                        'filesize'  5741022
                                           'mtime'  1636910262
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient the darkening scale stuck bad (2011) 07 electronic ambient dark
                                      'tag_artist'  The Darkening Scale
                                     'tag_release'  Stuck Bad
                                       'tag_title'  Acid Ash Bed
                                             'bpm'  110.8
                                    'search_title'  'acid':1 'ash':2 'bed':3
                                   'search_artist'  'darkening':2 'scale':3 'the':1
                                  'search_release'  'bad':2 'stuck':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2011':8,9 'ambient':11 'bad':7 'dark':12 'darkening':4 'electronic':10 'scale':5 'stuck':6 'the':3
                                    'search_combo'  '00ambient':10 '00poprockelectronic':9 '2011':16,17 'acid':1A 'ambient':19 'ash':2A 'bad':8C,15 'bed':3A 'dark':20 'darkening':5B,12 'electronic':18 'scale':6B,13 'stuck':7C,14 'the':4B,11
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'avant garde', 'ambiant', 'electronic', 'experimental']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910261.678246  (2021-11-14 18:17:41)
                             'size'  5741022