======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '223'
                                          'artist'  'Amanda Palmer (Dresden Dolls)'
                                     'text_people'  ''
                                         'release'  'LIVE@Bongo Club,Edinburgh(Festival)August,23rd'
                                           'title'  'Girl Anachronism (Solo Piano)'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-vocals-4', 'q-mixbeat-2', "
 "'Q-PIANO-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '121.994'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x16\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x16\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'LIVE@Bongo Club,Edinburgh(Festival)August,23rd'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Girl Anachronism (Solo Piano)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Palmer (Dresden Dolls)'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.442329'

========================== row from database ==========================
                                              'id'  1372711
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/Live, misc/Amanda Palmer - Girl anachronism (solo live)..mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  223
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  5356272
                                           'mtime'  1636401350
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos & Live, misc anachronism (solo live). ifs songwriter;ifs songwriter eos
                                      'tag_artist'  Amanda Palmer (Dresden Dolls)
                                     'tag_release'  LIVE@Bongo Club,Edinburgh(Festival)August,23rd
                                       'tag_title'  Girl Anachronism (Solo Piano)
                                             'bpm'  121.994
                                    'search_title'  'anachronism':2 'girl':1 'piano':5,6 'solo':3,4
                                   'search_artist'  'amanda':1 'dolls':5,6 'dresden':3,4 'palmer':2
                                  'search_release'  '23rd':7,10 'august':6 'bongo':2 'club':3,8 'edinburgh':4 'edinburghfestivalaugust':9 'festival':5 'live':1
                                     'search_rest'  '00singer':1 '00songwriter':4 'anachronism':8 'eos':3 'ifs':12,14,16 'live':5,6,11 'misc':7 'solo':9,10 'songwriter':2,13,15
                                    'search_combo'  '00singer':23 '00songwriter':26 '23rd':19C,22C 'amanda':7B 'anachronism':2A,30 'august':18C 'bongo':14C 'club':15C,20C 'dolls':11B,12B 'dresden':9B,10B 'edinburgh':16C 'edinburghfestivalaugust':21C 'eos':25 'festival':17C 'girl':1A 'ifs':34,36,38 'live':13C,27,28,33 'misc':29 'palmer':8B 'piano':5A,6A 'solo':3A,4A,31,32 'songwriter':24,35,37
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401350.2117338  (2021-11-08 20:55:50)
                             'size'  5356272