======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '177'
                                          'artist'  'Mark Foggo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'A Very Fussy Pussycat'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska punk', 'all', 'ska', 'spotify']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '116.453'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '116.453'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'A Very Fussy Pussycat'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mark Foggo'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ska punk', 'all', 'ska', 'spotify']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.453950'

========================== row from database ==========================
                                              'id'  1522492
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mark Foggo_s Skasters/Divers/Mark Foggo - a very fussy pussycat.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  177
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  2846648
                                           'mtime'  1620524674
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Foggo_s Skasters Divers very fussy pussycat loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  Mark Foggo
                                     'tag_release'  None
                                       'tag_title'  A Very Fussy Pussycat
                                             'bpm'  116.453
                                    'search_title'  'a':1 'fussy':3 'pussycat':4 'very':2
                                   'search_artist'  'foggo':2 'mark':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dancehall':15 'divers':5 'dub':13 'foggo':2 'fussy':7 'loc':9 'or':12 'pussycat':8 'reggae':11 's':3 'ska':14 'skasters':4 'style':10 'unsorted':16 'very':6
                                    'search_combo'  '00poprockelectronic':7 'a':1A 'dancehall':21 'divers':11 'dub':19 'foggo':6B,8 'fussy':3A,13 'loc':15 'mark':5B 'or':18 'pussycat':4A,14 'reggae':17 's':9 'ska':20 'skasters':10 'style':16 'unsorted':22 'very':2A,12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'all', 'ska', 'spotify']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524673.8383863  (2021-05-09 03:44:33)
                             'size'  2846648