======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '150'
                                          'artist'  'esquires (5)'
                                     'text_people'  ''
                                         'release'  'funk'
                                           'title'  'think'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '22'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '110.4'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00001357 00000D60 0000965D 000079AD 00018668 00001363 00007D2A 00007992 '
 '000199E5 00019497')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008A0 0000000000655050 00000000 002DE705 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '4D120216+345911+22+150+17784+29076+44713+58471+70286+87840+104588+121821+134653+155292+171333+189963+207707+222280+238167+256560+270925+286121+302062+313031+330475'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '2'
'TALB' (Album/Movie/Show title)                     'funk'
'TBPM' (BPM (beats per minute))                     '110.4'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes v7.0'
'TIT2' (Title/songname/content description)         'think'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'esquires (5)'
'TRCK' (Track number/Position in set)               '2/22'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-7.71 dB'
'TXXX:replaygain_track_peak'                        '1.052536'

========================== row from database ==========================
                                              'id'  1532822
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/esquires [5] - think.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  150
                                           'genre'  funk or soul
                                        'filesize'  3014586
                                           'mtime'  1628357834
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing soul EASY Instr 70_s [5] or soul
                                      'tag_artist'  esquires (5)
                                     'tag_release'  funk
                                       'tag_title'  think
                                             'bpm'  110.4
                                    'search_title'  'think':1
                                   'search_artist'  '5':2,3 'esquires':1
                                  'search_release'  'funk':1
                                     'search_rest'  '5':7,8 '70':5 'easy':3 'instr':4 'or':9 's':6 'soul':2 'swing':1
                                    'search_combo'  '5':3B,4B,12,13 '70':10 'easy':8 'esquires':2B 'funk':5C 'instr':9 'or':14 's':11 'soul':7 'swing':6 'think':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357834.4687433  (2021-08-07 19:37:14)
                             'size'  3014586