======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '163'
                                          'artist'  'Reg Owen Orchestra'
                                     'text_people'  ''
                                         'release'  'Vintage Instrumentals, Vol. 3'
                                           'title'  'Manhattan Spiritual'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'american', 'british', 'reg owen orchestra', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '96.438'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-088 POS 10'
'COMM:ID3v1 Comment:XXX'                            '59-088 POS 10'
'TALB' (Album/Movie/Show title)                     'Vintage Instrumentals, Vol. 3'
'TBPM' (BPM (beats per minute))                     '96.438'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Manhattan Spiritual'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Reg Owen Orchestra'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'american', 'british', 'reg owen orchestra', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.328431'

========================== row from database ==========================
                                              'id'  1440779
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-088 - Reg Owen Orchestra - Manhattan Spiritual.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  163
                                           'genre'  prerock-band
                                        'filesize'  6549226
                                           'mtime'  1620561397
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 088 prerock band
                                      'tag_artist'  Reg Owen Orchestra
                                     'tag_release'  Vintage Instrumentals, Vol. 3
                                       'tag_title'  Manhattan Spiritual
                                             'bpm'  96.438
                                    'search_title'  'manhattan':1 'spiritual':2
                                   'search_artist'  'orchestra':3 'owen':2 'reg':1
                                  'search_release'  '3':6 'instrumentals':2,3 'vintage':1 'vol':4,5
                                     'search_rest'  '00oldiepop':5 '1959':6 '59':7 'band':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':16 '1959':17 '3':11C '59':18 'band':20 'country':15 'exotica':13 'instrumentals':7C,8C 'jazz':12 'manhattan':1A 'oldies':14 'orchestra':5B 'owen':4B 'prerock':19 'reg':3B 'spiritual':2A 'vintage':6C 'vol':9C,10C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'american', 'british', 'reg owen orchestra', 'oldies']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561397.0568054  (2021-05-09 13:56:37)
                             'size'  6549226