======================== unified (from filesystem) ========================
                                         'bitrate'  '191.218'
                                        'duration'  '91'
                                          'artist'  'Murcof'
                                     'text_people'  'im-calmer-ambient'
                                         'release'  'Remembranza'
                                           'title'  'Resignacisn'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '137.013'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionGroupID:d~3\x8e\x12æàD\x82\x16\x1aÈ\x85Èd"'  PRIV(owner='WM/WMCollectionGroupID', data=b'd~3\x8e\x12\xe6\xe0D\x82\x16\x1a\xc8\x85\xc8d"')
'PRIV:WM/WMCollectionID:d~3\x8e\x12æàD\x82\x16\x1aÈ\x85Èd"'  PRIV(owner='WM/WMCollectionID', data=b'd~3\x8e\x12\xe6\xe0D\x82\x16\x1a\xc8\x85\xc8d"')
'PRIV:WM/WMContentID:cþ\x98º\x15õÞL®9á\x1aë\x17+@'  PRIV(owner='WM/WMContentID', data=b'c\xfe\x98\xba\x15\xf5\xdeL\xae9\xe1\x1a\xeb\x17+@')
'TALB' (Album/Movie/Show title)                     'Remembranza'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCOM' (Composer)                                   'im-calmer-ambient'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Resignacisn'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Murcof'
'TPE2' (Band/orchestra/accompaniment)               'Murcof'
'TPUB' (Publisher)                                  'Leaf'
'TRCK' (Track number/Position in set)               '7'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'minimal', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.848363'

========================== row from database ==========================
                                              'id'  1334700
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Murcof/murcof/2005 - remembranza/07 - Resignación.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  91
                                           'genre'  electronic-ambient
                                        'filesize'  2198253
                                           'mtime'  1636910747
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient murcof 2005 remembranza 07 Resignación electronic ambient
                                      'tag_artist'  Murcof
                                     'tag_release'  Remembranza
                                       'tag_title'  Resignacisn
                                             'bpm'  137.013
                                    'search_title'  'resignacisn':1
                                   'search_artist'  'murcof':1
                                  'search_release'  'remembranza':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2005':4 'ambient':9 'electronic':8 'murcof':3 'remembranza':5 'resignacion':6,7
                                    'search_combo'  '00ambient':5 '00poprockelectronic':4 '2005':7 'ambient':12 'electronic':11 'murcof':2B,6 'remembranza':3C,8 'resignacion':9,10 'resignacisn':1A
                                    'tag_tracknum'  7
                                      '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-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'minimal', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910747.199687  (2021-11-14 18:25:47)
                             'size'  2198253