======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '438'
                                          'artist'  'Bonnie Forman (Bobby Orlando)'
                                     'text_people'  ''
                                         'release'  'Italo'
                                           'title'  'Christmas Medley'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-th-christmas'
                                             'bpm'  '131.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:§\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xa7\x17\x00\x00')
'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')
'TALB' (Album/Movie/Show title)                     'Italo'
'TBPM' (BPM (beats per minute))                     '131.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-th-christmas']
'TIT2' (Title/songname/content description)         'Christmas Medley'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonnie Forman (Bobby Orlando)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Awesome'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.536167'

========================== row from database ==========================
                                              'id'  1332713
                                            'path'  /data/Music/Bulk/00poprockelectronic/Italo/Bonnie Forman (Bobby Orlando) - Christmas Medley.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  438
                                           'genre'  electronic-we-disco or italo;set-th-christmas
                                        'filesize'  10531651
                                           'mtime'  1621697595
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic we disco italo;set th christmas
                                      'tag_artist'  Bonnie Forman (Bobby Orlando)
                                     'tag_release'  Italo
                                       'tag_title'  Christmas Medley
                                             'bpm'  131.7
                                    'search_title'  'christmas':1 'medley':2
                                   'search_artist'  'bobby':3,4 'bonnie':1 'forman':2 'orlando':5,6
                                  'search_release'  'italo':1
                                     'search_rest'  '00poprockelectronic':1 'christmas':10 'disco':4 'electronic':2 'italo':5,7 'set':6,8 'th':9 'we':3
                                    'search_combo'  '00poprockelectronic':10 'bobby':5B,6B 'bonnie':3B 'christmas':1A,19 'disco':13 'electronic':11 'forman':4B 'italo':9C,14,16 'medley':2A 'orlando':7B,8B 'set':15,17 'th':18 'we':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697594.940336  (2021-05-22 17:33:14)
                             'size'  10531651