======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '115'
                                          'artist'  'Roland Hayes'
                                     'text_people'  ''
                                         'release'  'old blues pour mix'
                                           'title'  'Xango'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gospel', 'georgia', 'tenor']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '26'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '130.650'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000A44 00000A44 0000603D'
'COMM:iTunNORM:eng'                                 (' 00000A44 00000A44 0000603D 0000603D 0000DFE0 0000DFE0 00007FFB 00007FFB '
 '00011D34 00011D34')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B64 00000000004DF58C 00000000 0046A1A2 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '8B0F421A+293106+26+150+4443+15597+27732+40156+53351+58062+72369+86494+91181+96271+104960+119961+133871+146870+150310+164432+177916+190871+204468+218237+222654+236847+250991+264170+278554'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '11'
'TALB' (Album/Movie/Show title)                     'old blues pour mix'
'TBPM' (BPM (beats per minute))                     '130.650'
'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)         'Xango'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roland Hayes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '11/26'
'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'                                   ['gospel', 'georgia', 'tenor']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.16 dB'
'TXXX:replaygain_track_peak'                        '0.354096'

========================== row from database ==========================
                                              'id'  673709
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/old blues pour mix/2-11 Xango.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  115
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4639507
                                           'mtime'  1620537889
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 2 11 prerock jb jazz unsorted
                                      'tag_artist'  Roland Hayes
                                     'tag_release'  old blues pour mix
                                       'tag_title'  Xango
                                             'bpm'  130.65
                                    'search_title'  'xango':1
                                   'search_artist'  'hayes':2 'roland':1
                                  'search_release'  'blues':2 'mix':4 'old':1 'pour':3
                                     'search_rest'  '2':5 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '2':12 'blues':5C 'country':11 'exotica':9 'hayes':3B 'jazz':8 'jb':14 'mix':7C 'old':4C 'oldies':10 'pour':6C 'prerock':13 'roland':2B 'unsorted':15 'xango':1A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11B
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['gospel', 'georgia', 'tenor']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537888.9615383  (2021-05-09 07:24:48)
                             'size'  4639507