======================== unified (from filesystem) ========================
                                         'bitrate'  '263.272'
                                        'duration'  '226'
                                          'artist'  'Andy Rehfeldt'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Marilyn Manson-The Beautiful People(Polka Version)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-4', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['death metal', 'jazz', 'metal', 'cover', 'parody']"
                                     'discogstags'  ("['classical', 'jazz', 'contemporary', 'art rock', 'rock', 'jazz-rock', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '143.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.9'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Marilyn Manson-The Beautiful People(Polka Version)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Andy Rehfeldt'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:COMPATIBLE_BRANDS'                            'iso6avc1mp41'
'TXXX:MAJOR_BRAND'                                  'dash'
'TXXX:MINOR_VERSION'                                '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['classical',
 'jazz',
 'contemporary',
 'art rock',
 'rock',
 'jazz-rock',
 'experimental']
'TXXX:lastfmtags'                                   ['death metal', 'jazz', 'metal', 'cover', 'parody']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.826965'

========================== row from database ==========================
                                              'id'  964681
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/AndyRehfeldt/Marilyn Manson-The Beautiful People(Polka Version)-YQTxSbCMOlM.mkv.mp3
                                         'working'  None
                                         'bitrate'  263
                                    'duration_sec'  226
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  7471695
                                           'mtime'  1642257326
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm AndyRehfeldt YQTxSbCMOlM.mkv set th novelty styledcovers;set cover or covered
                                      'tag_artist'  Andy Rehfeldt
                                     'tag_release'  None
                                       'tag_title'  Marilyn Manson-The Beautiful People(Polka Version)
                                             'bpm'  143.9
                                    'search_title'  'beautiful':5 'manson':2 'mansonthe':4 'marilyn':1 'people':6 'peoplepolka':8 'polka':7 'the':3 'version':9,10
                                   'search_artist'  'andy':1 'rehfeldt':2
                                  'search_release'  
                                     'search_rest'  'andy':15 'andyrehfeldt':1 'cmol':19 'cover':12 'covered':14 'm':20 'mkv':3,21 'mmkv':22 'novelty':7 'or':13 'rehfeldt':16 'sb':18 'set':5,9,11 'styledcovers':8,10 'th':6 'yqtx':17 'yqtxsbcmolm':2 'yqtxsbcmolmmkv':4
                                    'search_combo'  'andy':11B,27 'andyrehfeldt':13 'beautiful':5A 'cmol':31 'cover':24 'covered':26 'm':32 'manson':2A 'mansonthe':4A 'marilyn':1A 'mkv':15,33 'mmkv':34 'novelty':19 'or':25 'people':6A 'peoplepolka':8A 'polka':7A 'rehfeldt':12B,28 'sb':30 'set':17,21,23 'styledcovers':20,22 'th':18 'the':3A 'version':9A,10A 'yqtx':29 'yqtxsbcmolm':14 'yqtxsbcmolmmkv':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-4', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['death metal', 'jazz', 'metal', 'cover', 'parody']
                                        'tag_date'  2010
                                     'discogstags'  ['classical', 'jazz', 'contemporary', 'art rock', 'rock', 'jazz-rock', 'experimental']

============================== file details ==============================
                                           'mtime'  1642257325.986482  (2022-01-15 15:35:25)
                             'size'  7471695