======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '182'
                                          'artist'  'The Small Faces'
                                     'text_people'  ''
                                         'release'  'Itchycoo Park - The Best Of The Small Faces'
                                           'title'  'Lazy Sunday'
                                           'quals'  ("['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-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'mod', 'classic rock', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '137.758'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '5'
'COMM:MusicMatch_Preference:eng'                    '5'
'COMM:iTunNORM:eng'                                 (' 00000112 00000162 00000E3F 000011B4 000164EA 000164EA 000049C1 00004FCB '
 '0001D91B 00004D30')
'TALB' (Album/Movie/Show title)                     'Itchycoo Park - The Best Of The Small Faces'
'TBPM' (BPM (beats per minute))                     '137.758'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Lazy Sunday'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '182204'
'TPE1' (Lead performer(s)/Soloist(s))               'The Small Faces'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'mod', 'classic rock', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.741355'

========================== row from database ==========================
                                              'id'  1306104
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/the small faces - lazy sunday.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  182
                                           'genre'  rock-unsorted
                                        'filesize'  3651456
                                           'mtime'  1620392412
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] the small faces lazy sunday rock unsorted
                                      'tag_artist'  The Small Faces
                                     'tag_release'  Itchycoo Park - The Best Of The Small Faces
                                       'tag_title'  Lazy Sunday
                                             'bpm'  137.758
                                    'search_title'  'lazy':1 'sunday':2
                                   'search_artist'  'faces':3 'small':2 'the':1
                                  'search_release'  'best':4 'faces':7 'itchycoo':1 'of':5 'park':2 'small':6 'the':3
                                     'search_rest'  '00poprockelectronic':1 'faces':9 'files':5,6 'lazy':10 'loose':3,4 'rock':12 'small':8 'sunday':11 'the':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 'best':9C 'faces':5B,12C,21 'files':17,18 'itchycoo':6C 'lazy':1A,22 'loose':15,16 'of':10C 'park':7C 'rock':24 'small':4B,11C,20 'sunday':2A,23 'the':3B,8C,19 'unsorted':14
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           '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-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'mod', 'classic rock', 'psychedelic', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392412.3895688  (2021-05-07 15:00:12)
                             'size'  3651456