======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '218'
                                          'artist'  'Klaus Nomi'
                                     'text_people'  'Hank Ballard'
                                         'release'  'In Concert'
                                           'title'  'The Twist'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'new wave', '80s', 'avant garde', 'experimental']"
                                     'discogstags'  "['electronic', 'synth-pop', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '9'
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;electronic-we-new wave or post punk'
                                             'bpm'  '87.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000041F 00000000 00001A87 00000000 0002BF65 00000000 00006145 00000000 '
 '0002BF65 00000000')
'TALB' (Album/Movie/Show title)                     'In Concert'
'TBPM' (BPM (beats per minute))                     '87.9'
'TCOM' (Composer)                                   'Hank Ballard'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'The Twist'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Nomi'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'synth-pop', 'experimental']
'TXXX:lastfmtags'                                   ['german', 'new wave', '80s', 'avant garde', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.681557'

========================== row from database ==========================
                                              'id'  403016
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Klaus Nomi/Klaus Nomi - In Concert - Rec 1979--Ed 1986/06 The Twist.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  218
                                           'genre'  electronic-experimental;electronic-we-new wave or post punk
                                        'filesize'  4531267
                                           'mtime'  1622658640
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Rec 1979 Ed 1986 06 electronic experimental;electronic we new wave or post punk
                                      'tag_artist'  Klaus Nomi
                                     'tag_release'  In Concert
                                       'tag_title'  The Twist
                                             'bpm'  87.9
                                    'search_title'  'the':1 'twist':2
                                   'search_artist'  'klaus':1 'nomi':2
                                  'search_release'  'concert':2 'in':1
                                     'search_rest'  '1979':2 '1986':4 'ed':3 'electronic':5,7,9 'experimental':6,8 'new':11 'or':13 'post':14 'punk':15 'rec':1 'wave':12 'we':10
                                    'search_combo'  '1979':8 '1986':10 'concert':6C 'ed':9 'electronic':11,13,15 'experimental':12,14 'in':5C 'klaus':3B 'new':17 'nomi':4B 'or':19 'post':20 'punk':21 'rec':7 'the':1A 'twist':2A 'wave':18 'we':16
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'new wave', '80s', 'avant garde', 'experimental']
                                        'tag_date'  1986
                                     'discogstags'  ['electronic', 'synth-pop', 'experimental']

============================== file details ==============================
                                           'mtime'  1622658639.8443189  (2021-06-02 20:30:39)
                             'size'  4531267