======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '226'
                                          'artist'  'The Doobie Brothers'
                                     'text_people'  ''
                                         'release'  'Best Of The Doobies'
                                           'title'  'Listen To The Music'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', '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'  "['southern rock', 'rock', 'soft rock', '70s', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '140.335'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 000001E7 000001EB 00001492 00001134 000318BE 0000D998 00005D90 00005A53 '
 '0001E559 00029223')
'TALB' (Album/Movie/Show title)                     'Best Of The Doobies'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Listen To The Music'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Doobie Brothers'
'TPE2' (Band/orchestra/accompaniment)               'The Doobie Brothers'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'classic rock']
'TXXX:lastfmtags'                                   ['southern rock', 'rock', 'soft rock', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'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'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.730958'

========================== row from database ==========================
                                              'id'  1329265
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/doobie brothers - listen to the music.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  226
                                           'genre'  rock-pop-soft
                                        'filesize'  3651193
                                           'mtime'  1620736609
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] doobie brothers listen to music rock pop soft
                                      'tag_artist'  The Doobie Brothers
                                     'tag_release'  Best Of The Doobies
                                       'tag_title'  Listen To The Music
                                             'bpm'  140.335
                                    'search_title'  'listen':1 'music':4 'the':3 'to':2
                                   'search_artist'  'brothers':3 'doobie':2 'the':1
                                  'search_release'  'best':1 'doobies':4 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 'brothers':8 'doobie':7 'files':5,6 'listen':9 'loose':3,4 'music':11 'pop':13 'rock':12 'soft':14 'to':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 'best':8C 'brothers':7B,19 'doobie':6B,18 'doobies':11C 'files':16,17 'listen':1A,20 'loose':14,15 'music':4A,22 'of':9C 'pop':24 'rock':23 'soft':25 'the':3A,5B,10C 'to':2A,21 'unsorted':13
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           '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-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['southern rock', 'rock', 'soft rock', '70s', 'classic rock']
                                        'tag_date'  1972
                                     'discogstags'  ['rock', 'pop rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1620736609.261677  (2021-05-11 14:36:49)
                             'size'  3651193