======================== unified (from filesystem) ========================
                                         'bitrate'  '185.172'
                                        'duration'  '235'
                                          'artist'  'Royksopp'
                                     'text_people'  ''
                                         'release'  'The Understanding CD'
                                           'title'  'Only This Moment'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'chillout', 'ambient', 'norwegian', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic'
                                             'bpm'  '123.032'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000EB1 00000E5A 0001005B'
'COMM:iTunNORM:eng'                                 (' 00000EB1 00000E5A 0001005B 0000C37B 0002F1BD 0001BB43 00008000 00008000 '
 '000034F8 00004779')
'TALB' (Album/Movie/Show title)                     'The Understanding CD'
'TBPM' (BPM (beats per minute))                     '123.032'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic']
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Easy CD-DA Extractor'
'TIT2' (Title/songname/content description)         'Only This Moment'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Royksopp'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'chillout', 'ambient', 'norwegian', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.468938'

========================== row from database ==========================
                                              'id'  1339360
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Royskopp/02 only this moment.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  235
                                           'genre'  electronic-unsorted;electronic
                                        'filesize'  5462616
                                           'mtime'  1636914469
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted Royskopp 02 only this moment electronic unsorted;electronic
                                      'tag_artist'  Royksopp
                                     'tag_release'  The Understanding CD
                                       'tag_title'  Only This Moment
                                             'bpm'  123.032
                                    'search_title'  'moment':3 'only':1 'this':2
                                   'search_artist'  'royksopp':1
                                  'search_release'  'cd':3 'the':1 'understanding':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':7,9,11 'moment':6 'only':4 'royskopp':3 'this':5 'unsorted':2,8,10
                                    'search_combo'  '00poprockelectronic':8 'cd':7C 'electronic':14,16,18 'moment':3A,13 'only':1A,11 'royksopp':4B 'royskopp':10 'the':5C 'this':2A,12 'understanding':6C 'unsorted':9,15,17
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'chillout', 'ambient', 'norwegian', 'electronica']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914468.5990005  (2021-11-14 19:27:48)
                             'size'  5462616