======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '336'
                                          'artist'  '101'
                                     'text_people'  ''
                                         'release'  'New Beat - Take 3'
                                           'title'  'Rock To The Beat'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['new beat', 'techno', 'acid house', 'dance', 'acid']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '121.628'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM::spa'                                         '[dance Paradise]'
'COMM:ID3v1 Comment:XXX'                            '[dance Paradise]'
'COMM:iTunNORM:eng'                                 (' 000004F5 0000052E 00002042 0000280D 00029855 0003829E 000077F2 00007302 '
 '0003347E 00046CE7')
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'PRIV:AverageLevel:\x00\x17\x00\x00'                PRIV(owner='AverageLevel', data=b'\x00\x17\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'New Beat - Take 3'
'TBPM' (BPM (beats per minute))                     '121.628'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Rock To The Beat'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               '101'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/12'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['new beat', 'techno', 'acid house', 'dance', 'acid']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.621618'

========================== row from database ==========================
                                              'id'  1310733
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01 - 101 - rock to the beat.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  336
                                           'genre'  electronic-unsorted
                                        'filesize'  8091242
                                           'mtime'  1621696704
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] rock to the beat electronic unsorted
                                      'tag_artist'  101
                                     'tag_release'  New Beat - Take 3
                                       'tag_title'  Rock To The Beat
                                             'bpm'  121.628
                                    'search_title'  'beat':4 'rock':1 'the':3 'to':2
                                   'search_artist'  '101':1
                                  'search_release'  '3':4 'beat':2 'new':1 'take':3
                                     'search_rest'  '00poprockelectronic':1 'beat':10 'electronic':11 'files':5,6 'loose':3,4 'rock':7 'the':9 'to':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '101':5B '3':9C 'beat':4A,7C,19 'electronic':20 'files':14,15 'loose':12,13 'new':6C 'rock':1A,16 'take':8C 'the':3A,18 'to':2A,17 'unsorted':11
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['new beat', 'techno', 'acid house', 'dance', 'acid']
                                        'tag_date'  1989
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696704.2486115  (2021-05-22 17:18:24)
                             'size'  8091242