======================== unified (from filesystem) ========================
                                         'bitrate'  '161.891'
                                        'duration'  '129'
                                          'artist'  'Depeche Mode'
                                     'text_people'  ''
                                         'release'  'Ultra'
                                           'title'  '(Untitled)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'rock', 'alternative rock', 'downtempo', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '140.823'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00¡\x13q\x00'      PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xa1\x13q\x00')
'TALB' (Album/Movie/Show title)                     'Ultra'
'TBPM' (BPM (beats per minute))                     '140.823'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2007-10-02'
'TIT2' (Title/songname/content description)         '(Untitled)'
'TKEY' (Initial key)                                '3B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Depeche Mode'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '12/12'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Remastered'
'TXXX:Rip date'                                     '2007-10-02'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['electronic', 'rock', 'alternative rock', 'downtempo', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.968188'

========================== row from database ==========================
                                              'id'  1318298
                                            'path'  /data/Music/Bulk/00poprockelectronic/Depeche Mode/1997-Depeche_Mode-Ultra-(Remastered)-2007-DEPECHEMODE/12-depeche_mode-(untitled).mp3
                                         'working'  None
                                         'bitrate'  161
                                    'duration_sec'  129
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  2633698
                                           'mtime'  1636922602
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1997 Depeche_Mode (Remastered) 2007 DEPECHEMODE 12 depeche_mode (untitled) electronic we electropop or synthpop
                                      'tag_artist'  Depeche Mode
                                     'tag_release'  Ultra
                                       'tag_title'  (Untitled)
                                             'bpm'  140.823
                                    'search_title'  'untitled':1,2
                                   'search_artist'  'depeche':1 'mode':2
                                  'search_release'  'ultra':1
                                     'search_rest'  '00poprockelectronic':1 '1997':2 '2007':7 'depeche':3 'depechemode':8 'electronic':11 'electropop':13 'mode':4 'or':14 'remastered':5,6 'synthpop':15 'untitled':9,10 'we':12
                                    'search_combo'  '00poprockelectronic':6 '1997':7 '2007':12 'depeche':3B,8 'depechemode':13 'electronic':16 'electropop':18 'mode':4B,9 'or':19 'remastered':10,11 'synthpop':20 'ultra':5C 'untitled':1A,2A,14,15 'we':17
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'synthpop']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'downtempo', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636922602.4964652  (2021-11-14 21:43:22)
                             'size'  2633698