======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  'Cliff Edwards'
                                     'text_people'  ''
                                         'release'  'old blues pour mix'
                                           'title'  "(I'm Cryin' `cause I Know I'm) Losing You"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', '20s', 'jazz', 'disney', 'ukulele']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '26'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '125.939'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 000006F7 000006F7 0000457E 0000457E 0001ECDB 0001ECDB 00007ECD 00007ECD '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000096C 0000000000743C04 00000000 00695759 00000000 '
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'COMM:iTunes_CDDB_TrackNumber:eng'                  '18'
'TALB' (Album/Movie/Show title)                     'old blues pour mix'
'TBPM' (BPM (beats per minute))                     '125.939'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes 10.3.1'
'TIT2' (Title/songname/content description)         "(I'm Cryin' `cause I Know I'm) Losing You"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cliff Edwards'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '18/26'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', '20s', 'jazz', 'disney', 'ukulele']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.97 dB'
'TXXX:replaygain_track_peak'                        '0.348999'

========================== row from database ==========================
                                              'id'  1522232
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/old blues pour mix/2-18 (I_m Cryin_ `cause I Know I_m) Losing You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6914287
                                           'mtime'  1620537897
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 2 18 (I_m Cryin_ I_m) prerock jb jazz unsorted
                                      'tag_artist'  Cliff Edwards
                                     'tag_release'  old blues pour mix
                                       'tag_title'  (I'm Cryin' `cause I Know I'm) Losing You
                                             'bpm'  125.939
                                    'search_title'  'cause':6 'cryin':4,5 'i':1,7,9 'im':3 'know':8 'losing':11 'm':2,10 'you':12
                                   'search_artist'  'cliff':1 'edwards':2
                                  'search_release'  'blues':2 'mix':4 'old':1 'pour':3
                                     'search_rest'  '18':6 '2':5 'country':4 'cryin':11 'exotica':2 'i':7,9,12 'jazz':1 'jb':15 'm':8,10,13 'oldies':3 'prerock':14 'unsorted':16
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                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', '20s', 'jazz', 'disney', 'ukulele']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537896.587812  (2021-05-09 07:24:56)
                             'size'  6914287