======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '340'
                                          'artist'  'The Walker Brothers'
                                     'text_people'  ''
                                         'release'  'The Walker Brothers: Superhits'
                                           'title'  'No Regrets '
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'oldies', 'baroque pop', 'pop', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '102.3'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000019B 00000180 00000D13 000009F3 00029855 00029855 00003923 00003BCE '
 '00046CE7 00046CE7')
'TALB' (Album/Movie/Show title)                     'The Walker Brothers: Superhits'
'TBPM' (BPM (beats per minute))                     '102.3'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'No Regrets '
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '340000'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'The Walker Brothers'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'oldies', 'baroque pop', 'pop', 'rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.573518'

========================== row from database ==========================
                                              'id'  1390452
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/10 No Regrets.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  340
                                           'genre'  rock-cppex
                                        'filesize'  5466223
                                           'mtime'  1620737400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 10 rock cppex
                                      'tag_artist'  The Walker Brothers
                                     'tag_release'  The Walker Brothers: Superhits
                                       'tag_title'  No Regrets 
                                             'bpm'  102.3
                                    'search_title'  'no':1 'regrets':2
                                   'search_artist'  'brothers':3 'the':1 'walker':2
                                  'search_release'  'brothers':3,4 'superhits':5 'the':1 'walker':2
                                     'search_rest'  '00poprockelectronic':1 'cppex':8 'files':5,6 'loose':3,4 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'brothers':5B,8C,9C 'cppex':18 'files':15,16 'loose':13,14 'no':1A 'regrets':2A 'rock':17 'superhits':10C 'the':3B,6C 'unsorted':12 'walker':4B,7C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'oldies', 'baroque pop', 'pop', 'rock', 'classic rock']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737400.3954098  (2021-05-11 14:50:00)
                             'size'  5466223