======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '243'
                                          'artist'  'Love Unlimited Orchestra'
                                     'text_people'  ''
                                         'release'  "70's Dancefloor Ultimate Collection - CD4"
                                           'title'  "Love's Theme"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', '70s', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0409'
                                      'tracktotal'  '20'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '129.5'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Freak37'
'TALB' (Album/Movie/Show title)                     "70's Dancefloor Ultimate Collection - CD4"
'TBPM' (BPM (beats per minute))                     '129.5'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Love's Theme"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Love Unlimited Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4'
'TRCK' (Track number/Position in set)               '0409/20'
'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'                                   ['instrumental', '70s', 'soul', 'funk', 'disco']
'TXXX:other'                                        'Various'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-5.92 dB'
'TXXX:replaygain_track_peak'                        '0.985502'

========================== row from database ==========================
                                              'id'  1530777
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists - 100 Hits - 70_s Dancefloor (The Ultimate Collection) 2017 - @192/0409 - Various - Love_s Theme - (Love Unlimited Orchestra).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  243
                                           'genre'  funk or soul
                                        'filesize'  5955049
                                           'mtime'  1628357683
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists 100 Hits 70_s (The Collection) 2017 @192 0409 Various Love_s (Love Orchestra) funk soul
                                      'tag_artist'  Love Unlimited Orchestra
                                     'tag_release'  70's Dancefloor Ultimate Collection - CD4
                                       'tag_title'  Love's Theme
                                             'bpm'  129.5
                                    'search_title'  'love':1 'loves':3 's':2 'theme':4
                                   'search_artist'  'love':1 'orchestra':3 'unlimited':2
                                  'search_release'  '70':1 '70s':3 'cd4':7 'collection':6 'dancefloor':4 's':2 'ultimate':5
                                     'search_rest'  '0409':16 '100':6 '192':15 '2017':14 '70':8 'artists':5 'collection':12,13 'funk':2 'hits':7 'love':17,19,20 'orchestra':21,22 's':9,18 'soul':3 'swing':1 'the':10,11 'various':4
                                    'search_combo'  '0409':30 '100':20 '192':29 '2017':28 '70':8C,22 '70s':10C 'artists':19 'cd4':14C 'collection':13C,26,27 'dancefloor':11C 'funk':16 'hits':21 'love':1A,5B,31,33,34 'loves':3A 'orchestra':7B,35,36 's':2A,9C,23,32 'soul':17 'swing':15 'the':24,25 'theme':4A 'ultimate':12C 'unlimited':6B 'various':18
                                    'tag_tracknum'  409
                                      'num_images'  1
                                             'key'  10A
                                           '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-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', '70s', 'soul', 'funk', 'disco']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357682.7151072  (2021-08-07 19:34:42)
                             'size'  5955049