======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '142'
                                          'artist'  'Norma Dragoo'
                                     'text_people'  ''
                                         'release'  'Tape No183 - Real Girls In The Garage Land (Part L)'
                                           'title'  'Nightmare'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['garage rock', 'psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '139.7'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000053A 000008A2 00003D08 00005CE7 0000B243 0000B243 0000812F 0000820E '
 '0001DBD0 0001A792')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000073B 00000000005F9B35 00000000 00454C69 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Tape No183 - Real Girls In The Garage Land (Part L)'
'TBPM' (BPM (beats per minute))                     '139.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes 12.0.1.26'
'TIT2' (Title/songname/content description)         'Nightmare'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Norma Dragoo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'US'
'TXXX:discogstags'                                  ['garage rock', 'psychedelic rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.56 dB'
'TXXX:replaygain_track_peak'                        '0.031955'
'TXXX:tracknum'                                     '18'

========================== row from database ==========================
                                              'id'  506272
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT183 - Real Girls In The Garage Land (Part L)/18 - Norma Dragoo - Nightmare (1970 US) (Custom Sound).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  142
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4606164
                                           'mtime'  1620385068
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT183 (1970 US) (Custom Sound) rock gr garage;set pl garagetapes
                                      'tag_artist'  Norma Dragoo
                                     'tag_release'  Tape No183 - Real Girls In The Garage Land (Part L)
                                       'tag_title'  Nightmare
                                             'bpm'  139.7
                                    'search_title'  'nightmare':1
                                   'search_artist'  'dragoo':2 'norma':1
                                  'search_release'  'garage':7 'girls':4 'in':5 'l':11,12 'land':8 'no183':2 'part':9,10 'real':3 'tape':1 'the':6
                                     'search_rest'  '1970':6,7 'blogspot':2 'com':3 'custom':10,11 'garage':16,18 'garagetapes':1,21 'garagetapesblogspotcom':4 'gr':15 'gt183':5 'pl':20 'rock':14 'set':17,19 'sound':12,13 'us':8,9
                                    'search_combo'  '1970':21,22 'blogspot':17 'com':18 'custom':25,26 'dragoo':3B 'garage':10C,31,33 'garagetapes':16,36 'garagetapesblogspotcom':19 'girls':7C 'gr':30 'gt183':20 'in':8C 'l':14C,15C 'land':11C 'nightmare':1A 'no183':5C 'norma':2B 'part':12C,13C 'pl':35 'real':6C 'rock':29 'set':32,34 'sound':27,28 'tape':4C 'the':9C 'us':23,24
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  ['garage rock', 'psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620385068.4363112  (2021-05-07 12:57:48)
                             'size'  4606164