======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Ohio Players'
                                     'text_people'  ''
                                         'release'  'Pain'
                                           'title'  "Player's Ballin' (Record)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['disco', 'rhythm and blues', 'soul', 'funk', '70s']"
                                     'discogstags'  "['funk / soul', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '86.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000001ED 0000016B 00002627 000023C6 00010CE0 0001A82F 00006133 00005605 '
 '0000A3FA 00023D0F')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000857 0000000000B1F019 00000000 0060C854 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Pain'
'TBPM' (BPM (beats per minute))                     '86.0'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1972'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         "Player's Ballin' (Record)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ohio Players'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'soul', 'funk']
'TXXX:lastfmtags'                                   ['disco', 'rhythm and blues', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.88 dB'
'TXXX:replaygain_track_peak'                        '0.738349'

========================== row from database ==========================
                                              'id'  1511808
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/ohio players/1972 1 pain/c3 - ohio players - player_s pallin_ (record).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  funk or soul-funk
                                        'filesize'  6782656
                                           'mtime'  1620665738
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul ohio players 1972 1 pain c3 ohio players player_s pallin_ (record) funk soul funk
                                      'tag_artist'  Ohio Players
                                     'tag_release'  Pain
                                       'tag_title'  Player's Ballin' (Record)
                                             'bpm'  86.0
                                    'search_title'  'ballin':4,5 'player':1 'players':3 'record':6,7 's':2
                                   'search_artist'  'ohio':1 'players':2
                                  'search_release'  'pain':1
                                     'search_rest'  '1':7 '1972':6 'c3':9 'funk':2 'ohio':4 'pain':8 'pallin':12 'player':10 'players':5 'record':13,14 's':11 'soul':3 'swing':1
                                    'search_combo'  '1':17 '1972':16 'ballin':4A,5A 'c3':19 'funk':12 'ohio':8B,14 'pain':10C,18 'pallin':22 'player':1A,20 'players':3A,9B,15 'record':6A,7A,23,24 's':2A,21 'soul':13 'swing':11
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['disco', 'rhythm and blues', 'soul', 'funk', '70s']
                                        'tag_date'  1972
                                     'discogstags'  ['funk / soul', 'soul', 'funk']

============================== file details ==============================
                                           'mtime'  1620665737.6556103  (2021-05-10 18:55:37)
                             'size'  6782656