======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'Alan Hawkshaw'
                                     'text_people'  'Alan Hankshaw'
                                         'release'  'Playmates Penthouse'
                                           'title'  "First Affair ('73)"
                                           '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-1', 'q-other-2', 'q-piano-3', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'secretagent', 'library music', 'funk', 'hammond']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '23'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '121.8'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'KPM Music Ltd'
'COMM:iTunNORM:eng'                                 (' 00000480 00000515 00002637 00002F68 00018B34 00022443 00007228 000072F5 '
 '00019AEB 00020FA7')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006FC 0000000000758FF4 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '23+D2B76625F26A137377D1BA32F0199C99+165800'
'TALB' (Album/Movie/Show title)                     'Playmates Penthouse'
'TBPM' (BPM (beats per minute))                     '121.8'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Alan Hankshaw'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1973'
'TENC' (Encoded by)                                 'iTunes v6.0.1'
'TIT2' (Title/songname/content description)         "First Affair ('73)"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alan Hawkshaw'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18/23'
'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:lastfmtags'                                   ['jazz', 'secretagent', 'library music', 'funk', 'hammond']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.89 dB'
'TXXX:replaygain_track_peak'                        '0.891526'

========================== row from database ==========================
                                              'id'  1527471
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Alan Hawkshaw - First Affair (_73).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  funk or soul
                                        'filesize'  4196786
                                           'mtime'  1628357647
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s (_73) funk or soul
                                      'tag_artist'  Alan Hawkshaw
                                     'tag_release'  Playmates Penthouse
                                       'tag_title'  First Affair ('73)
                                             'bpm'  121.8
                                    'search_title'  '73':3,4 'affair':2 'first':1
                                   'search_artist'  'alan':1 'hawkshaw':2
                                  'search_release'  'penthouse':2 'playmates':1
                                     'search_rest'  '70':6 '73':8,9 'easy':4 'funk':2 'instr':5 'or':10 's':7 'soul':3 'swing':1
                                    'search_combo'  '70':14 '73':3A,4A,16,17 'affair':2A 'alan':5B 'easy':12 'first':1A 'funk':10 'hawkshaw':6B 'instr':13 'or':18 'penthouse':8C 'playmates':7C 's':15 'soul':11 'swing':9
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-3', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'secretagent', 'library music', 'funk', 'hammond']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357647.1518419  (2021-08-07 19:34:07)
                             'size'  4196786