======================== unified (from filesystem) ========================
                                         'bitrate'  '247.507'
                                        'duration'  '238'
                                          'artist'  'Andy Rehfeldt'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Judas Priest-You've Got Another Thing Comin'(Bossa Nova Version)"
                                           'quals'  ("['Q-HAP-2', '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-3', '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'  '145.1'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.1'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "Judas Priest-You've Got Another Thing Comin'(Bossa Nova Version)"
'TKEY' (Initial key)                                '11A'
'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'                                        '2'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.788093'

========================== row from database ==========================
                                              'id'  1506948
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/AndyRehfeldt/Judas Priest-You_ve Got Another Thing Comin_(Bossa Nova Version)-wERlvafYVfo.mkv.mp3
                                         'working'  None
                                         'bitrate'  248
                                    'duration_sec'  238
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  7390058
                                           'mtime'  1642257348
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm AndyRehfeldt You_ve Comin_(Bossa wERlvafYVfo.mkv set novelty styledcovers;set cover or covered
                                      'tag_artist'  Andy Rehfeldt
                                     'tag_release'  None
                                       'tag_title'  Judas Priest-You've Got Another Thing Comin'(Bossa Nova Version)
                                             'bpm'  145.1
                                    'search_title'  'another':7 'bossa':10 'comin':9 'cominbossa':11 'got':6 'judas':1 'nova':12 'priest':2 'priestyouve':5 'thing':8 've':4 'version':13,14 'you':3
                                   'search_artist'  'andy':1 'rehfeldt':2
                                  'search_release'  
                                     'search_rest'  'andy':20 'andyrehfeldt':1 'bossa':5,7 'comin':4,6 'cover':17 'covered':19 'erlvaf':23 'mkv':9,25 'novelty':12 'or':18 'rehfeldt':21 'set':11,14,16 'styledcovers':13,15 've':3 'w':22 'werlvafyvfo':8 'werlvafyvfomkv':10 'you':2 'yvfo':24 'yvfomkv':26
                                    'search_combo'  'andy':15B,36 'andyrehfeldt':17 'another':7A 'bossa':10A,21,23 'comin':9A,20,22 'cominbossa':11A 'cover':33 'covered':35 'erlvaf':39 'got':6A 'judas':1A 'mkv':25,41 'nova':12A 'novelty':28 'or':34 'priest':2A 'priestyouve':5A 'rehfeldt':16B,37 'set':27,30,32 'styledcovers':29,31 'thing':8A 've':4A,19 'version':13A,14A 'w':38 'werlvafyvfo':24 'werlvafyvfomkv':26 'you':3A,18 'yvfo':40 'yvfomkv':42
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HAP-2', '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-3', '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'  1642257347.6656375  (2022-01-15 15:35:47)
                             'size'  7390058