======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '30'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Trailers'
                                           'title'  '07(intro) Ilsa, She-Wolf of the SS spot'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials-trailers;set-pl-mor'
                                             'bpm'  '134.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x99\x11\x00\x00'                PRIV(owner='AverageLevel', data=b'\x99\x11\x00\x00')
'PRIV:PeakValue:ÊT\x00\x00'                         PRIV(owner='PeakValue', data=b'\xcaT\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
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'TALB' (Album/Movie/Show title)                     'Trailers'
'TBPM' (BPM (beats per minute))                     '134.2'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials-trailers', 'set-pl-mor']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         '07(intro) Ilsa, She-Wolf of the SS spot'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.468409'

========================== row from database ==========================
                                              'id'  1467360
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/trailers/07(intro) Ilsa, She-Wolf of the SS spot.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  30
                                           'genre'  nonmusic-commercials-trailers;set-pl-mor
                                        'filesize'  967686
                                           'mtime'  1620527883
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer trailers nonmusic commercials trailers;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  Trailers
                                       'tag_title'  07(intro) Ilsa, She-Wolf of the SS spot
                                             'bpm'  134.2
                                    'search_title'  '07':1 '07intro':3 'ilsa':4,5 'intro':2 'of':9 'she':6 'shewolf':8 'spot':12 'ss':11 'the':10 'wolf':7
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'trailers':1
                                     'search_rest'  '00commercials':2 '0nonmusic':1 'commercials':8 'mor':14 'movietrailer':5 'nonmusic':7 'pl':13 'radio':4 'set':10,12 'trailers':6,9,11 'tv':3
                                    'search_combo'  '00commercials':17 '07':1A '07intro':3A '0nonmusic':16 'commercials':23 'ilsa':4A,5A 'intro':2A 'mor':29 'movietrailer':20 'nonmusic':22 'of':9A 'pl':28 'radio':19 'set':25,27 'she':6A 'shewolf':8A 'spot':12A 'ss':11A 'the':10A 'trailers':15C,21,24,26 'tv':18 'unknown':13B,14B 'wolf':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527883.0658045  (2021-05-09 04:38:03)
                             'size'  967686