======================== unified (from filesystem) ========================
                                         'bitrate'  '175.129'
                                        'duration'  '141'
                                          'artist'  'Depeche Mode'
                                     'text_people'  ''
                                         'release'  'Ultra'
                                           'title'  'Uselink'
                                           'quals'  ("['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-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'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'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '94.108'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00¯\x15\x19\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xaf\x15\x19\x00')
'TALB' (Album/Movie/Show title)                     'Ultra'
'TBPM' (BPM (beats per minute))                     '94.108'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2007-10-02'
'TIT2' (Title/songname/content description)         'Uselink'
'TKEY' (Initial key)                                '5B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Depeche Mode'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '5/12'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.676010'

========================== row from database ==========================
                                              'id'  1311488
                                            'path'  /data/Music/Bulk/00poprockelectronic/Depeche Mode/1997-Depeche_Mode-Ultra-(Remastered)-2007-DEPECHEMODE/05-depeche_mode-uselink.mp3
                                         'working'  None
                                         'bitrate'  175
                                    'duration_sec'  141
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  3091294
                                           'mtime'  1636922601
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1997 Depeche_Mode (Remastered) 2007 DEPECHEMODE 05 depeche_mode uselink electronic we electropop or synthpop
                                      'tag_artist'  Depeche Mode
                                     'tag_release'  Ultra
                                       'tag_title'  Uselink
                                             'bpm'  94.108
                                    'search_title'  'uselink':1
                                   'search_artist'  'depeche':1 'mode':2
                                  'search_release'  'ultra':1
                                     'search_rest'  '00poprockelectronic':1 '1997':2 '2007':7 'depeche':3 'depechemode':8 'electronic':10 'electropop':12 'mode':4 'or':13 'remastered':5,6 'synthpop':14 'uselink':9 'we':11
                                    'search_combo'  '00poprockelectronic':5 '1997':6 '2007':11 'depeche':2B,7 'depechemode':12 'electronic':14 'electropop':16 'mode':3B,8 'or':17 'remastered':9,10 'synthpop':18 'ultra':4C 'uselink':1A,13 'we':15
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'synthpop']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'downtempo', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636922601.2890387  (2021-11-14 21:43:21)
                             'size'  3091294