======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '195'
                                          'artist'  'Chic'
                                     'text_people'  ''
                                         'release'  'Chic'
                                           'title'  'São Paulo (Long v.)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-2', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', '70s', 'soul', 'funk', 'disco']"
                                     'discogstags'  "['electronic', 'funk / soul', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '91.6'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:Comments:eng'                                 'klm'
'TALB' (Album/Movie/Show title)                     'Chic'
'TBPM' (BPM (beats per minute))                     '91.6'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1977'
'TENC' (Encoded by)                                 'klm'
'TIT2' (Title/songname/content description)         'São Paulo (Long v.)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chic'
'TPE2' (Band/orchestra/accompaniment)               'Chic'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'funk / soul', 'disco']
'TXXX:lastfmtags'                                   ['dance', '70s', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-5.81 dB'
'TXXX:replaygain_track_peak'                        '1.018852'

========================== row from database ==========================
                                              'id'  1528840
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Chic - São Paulo (Long v.).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  195
                                           'genre'  funk or soul
                                        'filesize'  8092816
                                           'mtime'  1621695804
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s funk or soul
                                      'tag_artist'  Chic
                                     'tag_release'  Chic
                                       'tag_title'  São Paulo (Long v.)
                                             'bpm'  91.6
                                    'search_title'  'long':4,5 'paulo':3 'sao':1,2 'v':6,7
                                   'search_artist'  'chic':1
                                  'search_release'  'chic':1
                                     'search_rest'  '70':6 'easy':4 'funk':2 'instr':5 'or':8 's':7 'soul':3 'swing':1
                                    'search_combo'  '70':15 'chic':8B,9C 'easy':13 'funk':11 'instr':14 'long':4A,5A 'or':17 'paulo':3A 's':16 'sao':1A,2A 'soul':12 'swing':10 'v':6A,7A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-2', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', '70s', 'soul', 'funk', 'disco']
                                        'tag_date'  1977
                                     'discogstags'  ['electronic', 'funk / soul', 'disco']

============================== file details ==============================
                                           'mtime'  1621695803.5155823  (2021-05-22 17:03:23)
                             'size'  8092816