======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '133'
                                          'artist'  '[unknown]'
                                     'text_people'  'Bascom Lamar Lunsford/Scotty Wiseman'
                                         'release'  'Irish Drinking Songs'
                                           'title'  'Mountain Dew (Irish Drinking Song)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials'
                                             'bpm'  '103.431'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x007\x005\x003\x006\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x003\x008\x009\x006\x001\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x007\x005\x003\x006\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x003\x008\x009\x006\x001\x008\x00\x00\x00')
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'PRIV:WM/WMCollectionID:\xa0\x8dôís=jA¯¬\x9e_å\x96â±'  PRIV(owner='WM/WMCollectionID', data=b'\xa0\x8d\xf4\xeds=jA\xaf\xac\x9e_\xe5\x96\xe2\xb1')
'PRIV:WM/WMContentID:\\(Þ:\x98\x8bêG\x98Ëxi\x8eÒöØ'  PRIV(owner='WM/WMContentID', data=b'\\(\xde:\x98\x8b\xeaG\x98\xcbxi\x8e\xd2\xf6\xd8')
'TALB' (Album/Movie/Show title)                     'Irish Drinking Songs'
'TBPM' (BPM (beats per minute))                     '103.431'
'TCOM' (Composer)                                   'Bascom Lamar Lunsford/Scotty Wiseman'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-commercials'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Mountain Dew (Irish Drinking Song)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Columbia/Legacy'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.600884'

========================== row from database ==========================
                                              'id'  957703
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/tv - Mountain Dew (Irish Drinking Song).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  133
                                           'genre'  nonmusic-commercials
                                        'filesize'  2136823
                                           'mtime'  1620525474
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa tv nonmusic commercials
                                      'tag_artist'  [unknown]
                                     'tag_release'  Irish Drinking Songs
                                       'tag_title'  Mountain Dew (Irish Drinking Song)
                                             'bpm'  103.431
                                    'search_title'  'dew':2 'drinking':5 'irish':3,4 'mountain':1 'song':6,7
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'drinking':2 'irish':1 'songs':3
                                     'search_rest'  '00commercials':2 '0nonmusic':1 'commercial':6 'commercials':9 'movietrailer':5 'nonmusic':8 'psa':7 'radio':4 'tv':3
                                    'search_combo'  '00commercials':14 '0nonmusic':13 'commercial':18 'commercials':21 'dew':2A 'drinking':5A,11C 'irish':3A,4A,10C 'mountain':1A 'movietrailer':17 'nonmusic':20 'psa':19 'radio':16 'song':6A,7A 'songs':12C 'tv':15 'unknown':8B,9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525474.0555484  (2021-05-09 03:57:54)
                             'size'  2136823