======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '178'
                                          'artist'  'Steve Vai'
                                     'text_people'  ''
                                         'release'  'Passion And Warfare'
                                           'title'  "Greasy Kid's Stuff"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-gr;set-pl-progspace'
                                             'bpm'  '104.444'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:Å\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc5\x1b\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\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')
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'TALB' (Album/Movie/Show title)                     'Passion And Warfare'
'TBPM' (BPM (beats per minute))                     '104.444'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr', 'set-pl-progspace']
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         "Greasy Kid's Stuff"
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '178848'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Vai'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.454010'

========================== row from database ==========================
                                              'id'  1506338
                                            'path'  /data/Music/Bulk/00poprockelectronic/Steve Vai/Steve Vai - Passion and Warfare/11 - Greasy Kid_s Stuff.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  178
                                           'genre'  rock-gr;set-pl-progspace
                                        'filesize'  2857963
                                           'mtime'  1636903122
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic and 11 Kid_s rock gr;set pl progspace
                                      'tag_artist'  Steve Vai
                                     'tag_release'  Passion And Warfare
                                       'tag_title'  Greasy Kid's Stuff
                                             'bpm'  104.444
                                    'search_title'  'greasy':1 'kid':2 'kids':4 's':3 'stuff':5
                                   'search_artist'  'steve':1 'vai':2
                                  'search_release'  'and':2 'passion':1 'warfare':3
                                     'search_rest'  '00poprockelectronic':1 'and':2 'gr':6,8 'kid':3 'pl':10 'progspace':11 'rock':5 's':4 'set':7,9
                                    'search_combo'  '00poprockelectronic':11 'and':9C,12 'gr':16,18 'greasy':1A 'kid':2A,13 'kids':4A 'passion':8C 'pl':20 'progspace':21 'rock':15 's':3A,14 'set':17,19 'steve':6B 'stuff':5A 'vai':7B 'warfare':10C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636903121.7786462  (2021-11-14 16:18:41)
                             'size'  2857963