======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '317'
                                          'artist'  'Wooden Shjips'
                                     'text_people'  ''
                                         'release'  'Back to Land'
                                           'title'  'Back to Land'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['drone', 'psychedelic rock', 'experimental', 'psychedelic', 'noise rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '8'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '145.267'
                                             'key'  '12B'
                                        'acoustid'  '0ca98dbd-df05-4ade-9d72-929303f48300'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000099B 00000999 00002FF8'
'COMM:iTunNORM:eng'                                 (' 0000099B 00000999 00002FF8 00002FE7 0003BEE9 000467FB 00007A1B 00007C30 '
 '00019957 0000FAE2')
'MCDI' (Music CD identifier)                        MCDI(data=b'8\x00+\x009\x006\x00+\x005\x00D\x00B\x00D\x00+\x00B\x009\x00D\x001\x00+\x00F\x00E\x004\x005\x00+\x001\x005\x00D\x009\x005\x00+\x001\x00B\x008\x003\x001\x00+\x002\x001\x006\x00F\x00E\x00+\x002\x008\x002\x00E\x007\x00+\x002\x00E\x000\x003\x00B\x00\x00\x00')
'PRIV:AverageLevel:{\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1a\x00\x00')
'PRIV:PeakValue:¡{\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1{\x00\x00')
'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')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Back to Land'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-11-12'
'TIT2' (Title/songname/content description)         'Back to Land'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '317000'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Wooden Shjips'
'TPE2' (Band/orchestra/accompaniment)               'Wooden Shjips'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Thrill Jockey'
'TRCK' (Track number/Position in set)               '1/8'
'TSO2'                                              'Wooden Shjips'
'TSOP' (Performer sort order)                       'Wooden Shjips'
'TXXX:ASIN'                                         'B00F2TIJW0'
'TXXX:Acoustid Id'                                  '0ca98dbd-df05-4ade-9d72-929303f48300'
'TXXX:BARCODE'                                      '790377035124'
'TXXX:CATALOGNUMBER'                                'THRILL 351'
'TXXX:MusicBrainz Album Artist Id'                  '3754dc74-381e-4237-bd44-65f5600a4d88'
'TXXX:MusicBrainz Album Id'                         'b4c72ab4-ba53-4528-9b3e-2e7629ad4278'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3754dc74-381e-4237-bd44-65f5600a4d88'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['drone', 'psychedelic rock', 'experimental', 'psychedelic', 'noise rock']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.31 dB'
'TXXX:replaygain_track_peak'                        '0.171514'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'806e453d-bef1-4a12-bf17-ea0ee168fd15')

========================== row from database ==========================
                                              'id'  1411308
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Wooden Shjips - 2013 - back to land/01 back to land.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  317
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  12710876
                                           'mtime'  1620737262
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2013 back land 01 back land rock cppex psychedelic
                                      'tag_artist'  Wooden Shjips
                                     'tag_release'  Back to Land
                                       'tag_title'  Back to Land
                                             'bpm'  145.267
                                    'search_title'  'back':1 'land':3 'to':2
                                   'search_artist'  'shjips':2 'wooden':1
                                  'search_release'  'back':1 'land':3 'to':2
                                     'search_rest'  '2013':2 'back':3 'classicprogpsy':1 'cppex':6 'land':4 'psychedelic':7 'rock':5
                                    'search_combo'  '2013':10 'back':1A,6C,11 'classicprogpsy':9 'cppex':14 'land':3A,8C,12 'psychedelic':15 'rock':13 'shjips':5B 'to':2A,7C 'wooden':4B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', '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'  ['drone', 'psychedelic rock', 'experimental', 'psychedelic', 'noise rock']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737262.4669523  (2021-05-11 14:47:42)
                             'size'  12710876