======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '213'
                                          'artist'  'Hackamore Brick'
                                     'text_people'  'Tommy Moonlight'
                                         'release'  'car crash'
                                           'title'  'Radio'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['proto-punk', 'garage rock', 'folk', '70s', 'the name game']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-pop-early;set-th-death'
                                             'bpm'  '90.5'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:ß\x88ý½\x96·=B\x8còamU\x8f\x11\x1e'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xdf\x88\xfd\xbd\x96\xb7=B\x8c\xf2amU\x8f\x11\x1e')
'PRIV:WM/WMCollectionID:ß\x88ý½\x96·=B\x8còamU\x8f\x11\x1e'  PRIV(owner='WM/WMCollectionID', data=b'\xdf\x88\xfd\xbd\x96\xb7=B\x8c\xf2amU\x8f\x11\x1e')
"PRIV:WM/WMContentID:g\x8b\x97'¡01@®XÅÛ«ìÀ "        PRIV(owner='WM/WMContentID', data=b"g\x8b\x97'\xa101@\xaeX\xc5\xdb\xab\xec\xc0 ")
'TALB' (Album/Movie/Show title)                     'car crash'
'TBPM' (BPM (beats per minute))                     '90.5'
'TCOM' (Composer)                                   'Tommy Moonlight'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-early', 'set-th-death']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Radio'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '213812'
'TPE1' (Lead performer(s)/Soloist(s))               'Hackamore Brick'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Kama Sutra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['proto-punk', 'garage rock', 'folk', '70s', 'the name game']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.952072'

========================== row from database ==========================
                                              'id'  1420467
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/car crash/Hackamore Brick - Radio.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  213
                                           'genre'  rock-pop-early;set-th-death
                                        'filesize'  3423044
                                           'mtime'  1620736514
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country rock pop early;set th death
                                      'tag_artist'  Hackamore Brick
                                     'tag_release'  car crash
                                       'tag_title'  Radio
                                             'bpm'  90.5
                                    'search_title'  'radio':1
                                   'search_artist'  'brick':2 'hackamore':1
                                  'search_release'  'car':1 'crash':2
                                     'search_rest'  'country':4 'death':12 'early':7,9 'exotica':2 'jazz':1 'oldies':3 'pop':6 'rock':5 'set':8,10 'th':11
                                    'search_combo'  'brick':3B 'car':4C 'country':9 'crash':5C 'death':17 'early':12,14 'exotica':7 'hackamore':2B 'jazz':6 'oldies':8 'pop':11 'radio':1A 'rock':10 'set':13,15 'th':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['proto-punk', 'garage rock', 'folk', '70s', 'the name game']
                                        'tag_date'  1970
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736513.776003  (2021-05-11 14:35:13)
                             'size'  3423044