<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '409'
                                          'artist'  'Gladys Knight &amp; The Pips'
                                     'text_people'  ''
                                         'release'  'Remixed With Love By Joey Negro (Vol. 02) (2016)'
                                           'title'  'Taste Of Bitter Love (Joey Negro Disco Re-Blend)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'motown', 'female vocalists', 'soul', '70s', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '112.00'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f19a0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1297657"/>
'COMM::eng'                                         'Remix – Dave Lee (Joey Negro)'
'TALB' (Album/Movie/Show title)                     'Remixed With Love By Joey Negro (Vol. 02) (2016)'
'TBPM' (BPM (beats per minute))                     '112.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Taste Of Bitter Love (Joey Negro Disco Re-Blend)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gladys Knight &amp; The Pips'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'motown', 'female vocalists', 'soul', '70s', 'rhythm and blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.69 dB'
'TXXX:replaygain_track_peak'                        '0.301160'

========================== row from database ==========================
                                              'id'  1297657
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Gladys Knight & The Pips - Taste Of Bitter Love (Joey Negro Disco Re-Blend).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  409
                                           'genre'  electronic-unsorted
                                        'filesize'  16453743
                                           'mtime'  1620571008
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin Guy 2015 electronic unsorted
                                      'tag_artist'  Gladys Knight & The Pips
                                     'tag_release'  Remixed With Love By Joey Negro (Vol. 02) (2016)
                                       'tag_title'  Taste Of Bitter Love (Joey Negro Disco Re-Blend)
                                             'bpm'  112.0
                                    'search_title'  'bitter':3 'blend':10 'disco':8 'joey':5,6 'love':4 'negro':7 'of':2 're':9 'reblend':11 'taste':1
                                   'search_artist'  'gladys':1 'knight':2 'pips':4 'the':3
                                  'search_release'  '02':9,10 '2016':11,12 'by':4 'joey':5 'love':3 'negro':6 'remixed':1 'vol':7,8 'with':2
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':28 '02':24C,25C '2015':31 '2016':26C,27C 'bitter':3A 'blend':10A 'by':19C 'disco':8A 'electronic':32 'gladys':12B 'guy':30 'joey':5A,6A,20C 'knight':13B 'love':4A,18C 'marvin':29 'negro':7A,21C 'of':2A 'pips':15B 're':9A 'reblend':11A 'remixed':16C 'taste':1A 'the':14B 'unsorted':33 'vol':22C,23C 'with':17C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'motown', 'female vocalists', 'soul', '70s', 'rhythm and blues']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571008.087713  (2021-05-09 16:36:48)
                             'size'  16453743