======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '244'
                                          'artist'  'Hot Chocolate'
                                     'text_people'  ''
                                         'release'  'The Hustle'
                                           'title'  'You Sexy Thing'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'pop', '70s', '80s', 'disco', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '105.313'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Hustle'
'TBPM' (BPM (beats per minute))                     '105.313'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'You Sexy Thing'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hot Chocolate'
'TXXX:Mp3gain_minmax'                               '115,188'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'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:Tracknum'                                     '06'
'TXXX:lastfmtags'                                   ['soul', 'pop', '70s', '80s', 'disco', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.571325'

========================== row from database ==========================
                                              'id'  1239424
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/[19XX] The Hustle/Hot Chocolate - 06 - You Sexy Thing.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  244
                                           'genre'  funk or soul
                                        'filesize'  4890498
                                           'mtime'  1628357901
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul [19XX] 06 funk or soul
                                      'tag_artist'  Hot Chocolate
                                     'tag_release'  The Hustle
                                       'tag_title'  You Sexy Thing
                                             'bpm'  105.313
                                    'search_title'  'sexy':2 'thing':3 'you':1
                                   'search_artist'  'chocolate':2 'hot':1
                                  'search_release'  'hustle':2 'the':1
                                     'search_rest'  '19xx':4,5 'funk':2 'or':6 'soul':3 'swing':1
                                    'search_combo'  '19xx':11,12 'chocolate':5B 'funk':9 'hot':4B 'hustle':7C 'or':13 'sexy':2A 'soul':10 'swing':8 'the':6C 'thing':3A 'you':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'pop', '70s', '80s', 'disco', 'funk']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357901.0099368  (2021-08-07 19:38:21)
                             'size'  4890498