======================== unified (from filesystem) ========================
                                         'bitrate'  '194.169'
                                        'duration'  '171'
                                          'artist'  'Marvin Gaye & Tammi Terrell'
                                     'text_people'  ''
                                         'release'  "love's greatest hits"
                                           'title'  "You're All I Need to Get by"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', 'Q-JZFKS-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'motown', 'rhythm and blues', 'duets', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '98.886'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000007C9 00000499 00003A0F'
'COMM:iTunNORM:eng'                                 (' 000007C9 00000499 00003A0F 00002A8B 0001C73C 0001D364 00008000 00007E61 '
 '0001B845 0001A894')
'TALB' (Album/Movie/Show title)                     "love's greatest hits"
'TBPM' (BPM (beats per minute))                     '98.886'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'LAME'
'TIT2' (Title/songname/content description)         "You're All I Need to Get by"
'TKEY' (Initial key)                                '11B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Marvin Gaye & Tammi Terrell'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'motown', 'rhythm and blues', 'duets', 'oldies']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.53 dB'
'TXXX:replaygain_track_peak'                        '0.507787'

========================== row from database ==========================
                                              'id'  1325779
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 - marvin gaye and tammi terrell - youre all i need to get by [etmusica com].mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  171
                                           'genre'  prerock-jb-blues
                                        'filesize'  4173844
                                           'mtime'  1620403805
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 marvin gaye and tammi terrell youre all need get [etmusica com] prerock jb blues
                                      'tag_artist'  Marvin Gaye & Tammi Terrell
                                     'tag_release'  love's greatest hits
                                       'tag_title'  You're All I Need to Get by
                                             'bpm'  98.886
                                    'search_title'  'all':4 'by':9 'get':8 'i':5 'need':6 're':2 'to':7 'you':1 'youre':3
                                   'search_artist'  'gaye':2 'marvin':1 'tammi':3 'terrell':4
                                  'search_release'  'greatest':4 'hits':5 'love':1 'loves':3 's':2
                                     'search_rest'  '00poprockelectronic':1 'all':13 'and':9 'blues':22 'com':18,19 'etmusica':16,17 'files':5,6 'gaye':8 'get':15 'jb':21 'loose':3,4 'marvin':7 'need':14 'prerock':20 'tammi':10 'terrell':11 'unsorted':2 'youre':12
                                    'search_combo'  '00poprockelectronic':19 'all':4A,31 'and':27 'blues':40 'by':9A 'com':36,37 'etmusica':34,35 'files':23,24 'gaye':11B,26 'get':8A,33 'greatest':17C 'hits':18C 'i':5A 'jb':39 'loose':21,22 'love':14C 'loves':16C 'marvin':10B,25 'need':6A,32 'prerock':38 're':2A 's':15C 'tammi':12B,28 'terrell':13B,29 'to':7A 'unsorted':20 'you':1A 'youre':3A,30
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'motown', 'rhythm and blues', 'duets', 'oldies']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620403804.894801  (2021-05-07 18:10:04)
                             'size'  4173844