======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '506'
                                          'artist'  'Aretha Franklin'
                                     'text_people'  ''
                                         'release'  "I'm Every Woman / Respect (Eric Kupper Club Mix)"
                                           'title'  "I'm Every Woman, Respect (Eric Kupper Club Mix)"
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'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'  "['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.00'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "I'm Every Woman / Respect (Eric Kupper Club Mix)"
'TBPM' (BPM (beats per minute))                     '120.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         "I'm Every Woman, Respect (Eric Kupper Club Mix)"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aretha Franklin'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
'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'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.431065'

========================== row from database ==========================
                                              'id'  1499322
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Aretha Franklin - I_m Every Woman - Respect (Eric Kupper Club Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  506
                                           'genre'  electronic-unsorted
                                        'filesize'  20316196
                                           'mtime'  1620570906
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 2016 I_m electronic unsorted
                                      'tag_artist'  Aretha Franklin
                                     'tag_release'  I'm Every Woman / Respect (Eric Kupper Club Mix)
                                       'tag_title'  I'm Every Woman, Respect (Eric Kupper Club Mix)
                                             'bpm'  120.0
                                    'search_title'  'club':11 'eric':8,9 'every':4 'i':1 'im':3 'kupper':10 'm':2 'mix':12,13 'respect':7 'woman':5,6
                                   'search_artist'  'aretha':1 'franklin':2
                                  'search_release'  'club':10 'eric':7,8 'every':4 'i':1 'im':3 'kupper':9 'm':2 'mix':11,12 'respect':6 'woman':5
                                     'search_rest'  '00poprockelectronic':1 '2015':4 '2016':5 'electronic':8 'guy':3 'i':6 'm':7 'marvin':2 'unsorted':9
                                    'search_combo'  '00poprockelectronic':28 '2015':31 '2016':32 'aretha':14B 'club':11A,25C 'electronic':35 'eric':8A,9A,22C,23C 'every':4A,19C 'franklin':15B 'guy':30 'i':1A,16C,33 'im':3A,18C 'kupper':10A,24C 'm':2A,17C,34 'marvin':29 'mix':12A,13A,26C,27C 'respect':7A,21C 'unsorted':36 'woman':5A,6A,20C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rhythm and blues', 'blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570906.1270688  (2021-05-09 16:35:06)
                             'size'  20316196