======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'congress six'
                                     'text_people'  ''
                                         'release'  'Payback presents G.I. Funk : 14 Vietnam Wartime Funky Club Hits'
                                           'title'  "black belt jones (funk F. 'black belt jones' '74)"
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '113.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'Payback presents G.I. Funk : 14 Vietnam Wartime Funky Club Hits'
'TBPM' (BPM (beats per minute))                     '113.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "black belt jones (funk F. 'black belt jones' '74)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'congress six'
'TPE2' (Band/orchestra/accompaniment)               ['Various Artists', 'Various Artists']
'TRCK' (Track number/Position in set)               '12'
'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'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.90 dB'
'TXXX:replaygain_track_peak'                        '0.960721'

========================== row from database ==========================
                                              'id'  1527828
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/congress six - black belt jones (funk F. _black belt jones_ _74).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  funk or soul
                                        'filesize'  4293854
                                           'mtime'  1622756535
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing soul EASY Instr 70_s _black jones_ _74) or soul
                                      'tag_artist'  congress six
                                     'tag_release'  Payback presents G.I. Funk : 14 Vietnam Wartime Funky Club Hits
                                       'tag_title'  black belt jones (funk F. 'black belt jones' '74)
                                             'bpm'  113.8
                                    'search_title'  '74':10,11 'belt':2 'black':1,8 'f':6,7 'funk':4,5 'jones':3,9
                                   'search_artist'  'congress':1 'six':2
                                  'search_release'  'club':10 'funk':6 'funky':9 'g':3 'gi':5 'hits':11 'i':4 'payback':1 'presents':2 'vietnam':7 'wartime':8
                                     'search_rest'  '70':5 '74':9,10 'black':7 'easy':3 'instr':4 'jones':8 'or':11 's':6 'soul':2 'swing':1
                                    'search_combo'  '70':29 '74':10A,11A,33,34 'belt':2A 'black':1A,8A,31 'club':23C 'congress':12B 'easy':27 'f':6A,7A 'funk':4A,5A,19C 'funky':22C 'g':16C 'gi':18C 'hits':24C 'i':17C 'instr':28 'jones':3A,9A,32 'or':35 'payback':14C 'presents':15C 's':30 'six':13B 'soul':26 'swing':25 'vietnam':20C 'wartime':21C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622756534.7284715  (2021-06-03 23:42:14)
                             'size'  4293854