======================== unified (from filesystem) ========================
                                         'bitrate'  '237.508'
                                        'duration'  '302'
                                          'artist'  'Leroy Burgess'
                                     'text_people'  ''
                                         'release'  'DJ Kheops-Operation Funk Vol 3'
                                           'title'  'Heartbreaker'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-3', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['disco', 'soul', 'male vocalists', 'house', 'boogie']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '110.302'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '41STeam'
'COMM:ID3v1 Comment:XXX'                            '41STeam'
'COMM:iTunNORM:eng'                                 (' 00002538 00002210 00010257 00011B2E 0001B132 0003F09D 00008000 00008000 '
 '00002A2D 00001D63')
'TALB' (Album/Movie/Show title)                     'DJ Kheops-Operation Funk Vol 3'
'TBPM' (BPM (beats per minute))                     '110.302'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Heartbreaker'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Leroy Burgess'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['disco', 'soul', 'male vocalists', 'house', 'boogie']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.356396'

========================== row from database ==========================
                                              'id'  1321048
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/(14) [leroy burgess] heartbreaker.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  302
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8972184
                                           'mtime'  1620572491
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] (14) [leroy burgess] heartbreaker hip hop or rnb or rap or turntablism
                                      'tag_artist'  Leroy Burgess
                                     'tag_release'  DJ Kheops-Operation Funk Vol 3
                                       'tag_title'  Heartbreaker
                                             'bpm'  110.302
                                    'search_title'  'heartbreaker':1
                                   'search_artist'  'burgess':2 'leroy':1
                                  'search_release'  '3':7 'dj':1 'funk':5 'kheops':2 'kheopsoperation':4 'operation':3 'vol':6
                                     'search_rest'  '00poprockelectronic':1 '14':7,8 'burgess':11,12 'files':5,6 'heartbreaker':13 'hip':14 'hop':15 'leroy':9,10 'loose':3,4 'or':16 'rap':18 'rnb':17 'turntablism':19 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '14':17,18 '3':10C 'burgess':3B,21,22 'dj':4C 'files':15,16 'funk':8C 'heartbreaker':1A,23 'hip':24 'hop':25 'kheops':5C 'kheopsoperation':7C 'leroy':2B,19,20 'loose':13,14 'operation':6C 'or':26 'rap':28 'rnb':27 'turntablism':29 'unsorted':12 'vol':9C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['disco', 'soul', 'male vocalists', 'house', 'boogie']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572490.5901895  (2021-05-09 17:01:30)
                             'size'  8972184