======================== unified (from filesystem) ========================
                                         'bitrate'  '190.022'
                                        'duration'  '301'
                                          'artist'  'Sy & Unknown'
                                     'text_people'  ''
                                         'release'  'The Ultimate Happy Hardcore Collection CD1'
                                           'title'  'Cheddar Volume 2'
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['happy hardcore', 'uk hardcore', 'hardcore', 'rave', 'oldskool hardcore']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-happy hardcore'
                                             'bpm'  '84.916'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Ultimate Happy Hardcore Collection CD1'
'TBPM' (BPM (beats per minute))                     '84.916'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-happy hardcore'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Cheddar Volume 2'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sy & Unknown'
'TRCK' (Track number/Position in set)               '2'
'TXXX:FMPS_Rating'                                  '0.4'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['happy hardcore', 'uk hardcore', 'hardcore', 'rave', 'oldskool hardcore']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.611274'

========================== row from database ==========================
                                              'id'  1295514
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Sy & Unknown__cifsd639.mp3
                                         'working'  None
                                         'bitrate'  190
                                    'duration_sec'  301
                                           'genre'  electronic-th-ent-happy hardcore
                                        'filesize'  7165963
                                           'mtime'  1620573006
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Unknown__cifsd639 electronic th ent happy hardcore
                                      'tag_artist'  Sy & Unknown
                                     'tag_release'  The Ultimate Happy Hardcore Collection CD1
                                       'tag_title'  Cheddar Volume 2
                                             'bpm'  84.916
                                    'search_title'  '2':3 'cheddar':1 'volume':2
                                   'search_artist'  'sy':1 'unknown':2
                                  'search_release'  'cd1':6 'collection':5 'happy':3 'hardcore':4 'the':1 'ultimate':2
                                     'search_rest'  '00poprockelectronic':1 'cifsd639':8 'electronic':9 'ent':11 'files':5,6 'happy':12 'hardcore':13 'loose':3,4 'th':10 'unknown':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 '2':3A 'cd1':11C 'cheddar':1A 'cifsd639':19 'collection':10C 'electronic':20 'ent':22 'files':16,17 'happy':8C,23 'hardcore':9C,24 'loose':14,15 'sy':4B 'th':21 'the':6C 'ultimate':7C 'unknown':5B,18 'unsorted':13 'volume':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['happy hardcore', 'uk hardcore', 'hardcore', 'rave', 'oldskool hardcore']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573006.033293  (2021-05-09 17:10:06)
                             'size'  7165963