======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '126'
                                          'artist'  'Frank Perry and the Big Action Sound'
                                     'text_people'  ''
                                         'release'  "Cool and Strange Music Magazine's Thrift Shop"
                                           'title'  'Bottlecap Millionaire'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['novelty']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '104.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Cool and Strange Music Magazine's Thrift Shop"
'TBPM' (BPM (beats per minute))                     '104.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Bottlecap Millionaire'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Perry and the Big Action Sound'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '21'
'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:lastfmtags'                                   'novelty'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.534437'

========================== row from database ==========================
                                              'id'  268760
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/mp3 [192k]/21_-_Frank_Perry_and_the_Big_Action_Sound_-_Bottlecap_Millionaire.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  126
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  3724252
                                           'mtime'  1622801196
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm mp3 [192k] 21_ _Frank_Perry_and_the_Big_Action_Sound_ _Bottlecap_Millionaire electronic experimental oddness
                                      'tag_artist'  Frank Perry and the Big Action Sound
                                     'tag_release'  Cool and Strange Music Magazine's Thrift Shop
                                       'tag_title'  Bottlecap Millionaire
                                             'bpm'  104.6
                                    'search_title'  'bottlecap':1 'millionaire':2
                                   'search_artist'  'action':6 'and':3 'big':5 'frank':1 'perry':2 'sound':7 'the':4
                                  'search_release'  'and':2 'cool':1 'magazine':5 'magazines':7 'music':4 's':6 'shop':9 'strange':3 'thrift':8
                                     'search_rest'  '192k':2,3 '21':4 'action':10 'and':7 'big':9 'bottlecap':12 'electronic':14 'experimental':15 'frank':5 'millionaire':13 'mp3':1 'oddness':16 'perry':6 'sound':11 'the':8
                                    'search_combo'  '192k':20,21 '21':22 'action':8B,28 'and':5B,11C,25 'big':7B,27 'bottlecap':1A,30 'cool':10C 'electronic':32 'experimental':33 'frank':3B,23 'magazine':14C 'magazines':16C 'millionaire':2A,31 'mp3':19 'music':13C 'oddness':34 'perry':4B,24 's':15C 'shop':18C 'sound':9B,29 'strange':12C 'the':6B,26 'thrift':17C
                                    'tag_tracknum'  21
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['novelty']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801195.9022305  (2021-06-04 12:06:35)
                             'size'  3724252