======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '247'
                                          'artist'  'Love Unlimited Orchestra'
                                     'text_people'  ''
                                         'release'  'The Hustle'
                                           'title'  "Love's Theme"
                                           'quals'  ("['Q-HAP-4', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['instrumental', '70s', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-billboard'
                                             'bpm'  '129.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Hustle'
'TBPM' (BPM (beats per minute))                     '129.2'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-billboard']
'TDRC' (Recording time)                             '1980'
'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'
'TXXX:Mp3gain_minmax'                               '114,192'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '14'
'TXXX:lastfmtags'                                   ['instrumental', '70s', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.565000'

========================== row from database ==========================
                                              'id'  1529104
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/[19XX] The Hustle/Love Unlimited Orchestra - Love_s Theme - 14.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  247
                                           'genre'  electronic-we-disco or italo;set-pl-billboard
                                        'filesize'  4942787
                                           'mtime'  1620538084
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s [19XX] Love_s 14 electronic we disco or italo;set pl billboard
                                      'tag_artist'  Love Unlimited Orchestra
                                     'tag_release'  The Hustle
                                       'tag_title'  Love's Theme
                                             'bpm'  129.2
                                    'search_title'  'love':1 'loves':3 's':2 'theme':4
                                   'search_artist'  'love':1 'orchestra':3 'unlimited':2
                                  'search_release'  'hustle':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '19xx':7,8 '70':3 '80':5 'billboard':19 'disco':2 'electronic':11 'italo':14,16 'love':9 'or':13 'pl':18 's':4,6,10 'set':15,17 'we':12
                                    'search_combo'  '00poprockelectronic':10 '19xx':16,17 '70':12 '80':14 'billboard':28 'disco':11 'electronic':20 'hustle':9C 'italo':23,25 'love':1A,5B,18 'loves':3A 'or':22 'orchestra':7B 'pl':27 's':2A,13,15,19 'set':24,26 'the':8C 'theme':4A 'unlimited':6B 'we':21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', '70s', 'soul', 'funk', 'disco']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538083.8871813  (2021-05-09 07:28:03)
                             'size'  4942787