======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '263'
                                          'artist'  'MJ Cole'
                                     'text_people'  ''
                                         'release'  'Lanig'
                                           'title'  'Crazy Love (Volta Cab Dub Mix) - YouTube'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['2 step', 'dance', 'house', 'garage', 'uk garage', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '110.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Lanig'
'TBPM' (BPM (beats per minute))                     '110.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Crazy Love (Volta Cab Dub Mix) - YouTube'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'MJ Cole'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['2 step', 'dance', 'house', 'garage', 'uk garage', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.66 dB'
'TXXX:replaygain_track_peak'                        '0.473422'

========================== row from database ==========================
                                              'id'  1337058
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/MJ Cole - Crazy Love (Volta Cab Dub Mix) - YouTube.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  263
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  6323247
                                           'mtime'  1621085266
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic th techno minimal or deephouse
                                      'tag_artist'  MJ Cole
                                     'tag_release'  Lanig
                                       'tag_title'  Crazy Love (Volta Cab Dub Mix) - YouTube
                                             'bpm'  110.0
                                    'search_title'  'cab':5 'crazy':1 'dub':6 'love':2 'mix':7,8 'tube':11 'volta':3,4 'you':10 'youtube':9
                                   'search_artist'  'cole':2 'mj':1
                                  'search_release'  'lanig':1
                                     'search_rest'  '00poprockelectronic':1 'deephouse':7 'electronic':2 'minimal':5 'or':6 'techno':4 'th':3
                                    'search_combo'  '00poprockelectronic':15 'cab':5A 'cole':13B 'crazy':1A 'deephouse':21 'dub':6A 'electronic':16 'lanig':14C 'love':2A 'minimal':19 'mix':7A,8A 'mj':12B 'or':20 'techno':18 'th':17 'tube':11A 'volta':3A,4A 'you':10A 'youtube':9A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['2 step', 'dance', 'house', 'garage', 'uk garage', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085265.8655713  (2021-05-15 15:27:45)
                             'size'  6323247