======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '291'
                                          'artist'  'Goo Goo Dolls'
                                     'text_people'  ''
                                         'release'  'City Of Angels'
                                           'title'  'Iris'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '101.360'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'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')
'PRIV:WM/Provider:Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:·\x9aÚ°Ì\x16CªNtÆãè\n\x9a'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xc2\xb7\x9a\xda\xb0\xcc\x16C\xaaNt\xc6\xe3\xe8\n\x9a')
'PRIV:WM/WMCollectionID:·\x9aÚ°Ì\x16CªNtÆãè\n\x9a'  PRIV(owner='WM/WMCollectionID', data=b'\xc2\xb7\x9a\xda\xb0\xcc\x16C\xaaNt\xc6\xe3\xe8\n\x9a')
'PRIV:WM/WMContentID:FcOܦiÏO«\x84lq;}\x90Q'        PRIV(owner='WM/WMContentID', data=b'FcO\xdc\xa6i\xcfO\xab\x84lq;}\x90Q')
'TALB' (Album/Movie/Show title)                     'City Of Angels'
'TBPM' (BPM (beats per minute))                     '101.360'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Iris'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Goo Goo Dolls'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Reprise'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.602259'

========================== row from database ==========================
                                              'id'  1356133
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/goo goo dolls - iris.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  291
                                           'genre'  rock-unsorted
                                        'filesize'  4670009
                                           'mtime'  1620392394
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] goo goo dolls iris rock unsorted
                                      'tag_artist'  Goo Goo Dolls
                                     'tag_release'  City Of Angels
                                       'tag_title'  Iris
                                             'bpm'  101.36
                                    'search_title'  'iris':1
                                   'search_artist'  'dolls':2 'goo':1
                                  'search_release'  'angels':3 'city':1 'of':2
                                     'search_rest'  '00poprockelectronic':1 'dolls':8 'files':5,6 'goo':7 'iris':9 'loose':3,4 'rock':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'angels':6C 'city':4C 'dolls':3B,14 'files':11,12 'goo':2B,13 'iris':1A,15 'loose':9,10 'of':5C 'rock':16 'unsorted':8
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'pop', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392393.607218  (2021-05-07 14:59:53)
                             'size'  4670009