======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '135'
                                          'artist'  'Peter L. Batsin'
                                     'text_people'  ''
                                         'release'  "Cool and Strange Music Magazine's Thrift Shop"
                                           'title'  'How To Make a Tape Recorder'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oddities of sound']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '144.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Cool and Strange Music Magazine's Thrift Shop"
'TBPM' (BPM (beats per minute))                     '144.2'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'How To Make a Tape Recorder'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter L. Batsin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   'oddities of sound'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.369711'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/mp3 [192k]/13_-_Peter_L_Batsin_-_How_To_Make_a_Tape_Recorder.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  135
                                           'genre'  electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3953033
                                           'mtime'  1636916185
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm mp3 [192k] 13_ _Peter_L_Batsin_ _How_To_Make_a_Tape_Recorder electronic experimental oddness;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Peter L. Batsin
                                     'tag_release'  Cool and Strange Music Magazine's Thrift Shop
                                       'tag_title'  How To Make a Tape Recorder
                                             'bpm'  144.2
                                    'search_title'  'a':4 'how':1 'make':3 'recorder':6 'tape':5 'to':2
                                   'search_artist'  'batsin':4 'l':2,3 'peter':1
                                  'search_release'  'and':2 'cool':1 'magazine':5 'magazines':7 'music':4 's':6 'shop':9 'strange':3 'thrift':8
                                     'search_rest'  '13':4 '192k':2,3 'a':11 'batsin':7 'electronic':14 'experimental':15 'how':8 'l':6 'make':10 'mor':25 'mp3':1 'oddness':16,18 'peter':5 'pl':20 'recorder':13 'set':17,19,22,24 'shirleyspinoza':21,23 'tape':12 'to':9
                                    'search_combo'  '13':23 '192k':21,22 'a':4A,30 'and':12C 'batsin':10B,26 'cool':11C 'electronic':33 'experimental':34 'how':1A,27 'l':8B,9B,25 'magazine':15C 'magazines':17C 'make':3A,29 'mor':44 'mp3':20 'music':14C 'oddness':35,37 'peter':7B,24 'pl':39 'recorder':6A,32 's':16C 'set':36,38,41,43 'shirleyspinoza':40,42 'shop':19C 'strange':13C 'tape':5A,31 'thrift':18C 'to':2A,28
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['oddities of sound']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916185.0217063  (2021-11-14 19:56:25)
                             'size'  3953033