======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'The Foundations'
                                     'text_people'  ''
                                         'release'  'Sitting On The Dock Of The Bay'
                                           'title'  'Build Me Up Buttercup'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', '60s', 'motown', 'soul', 'pop', 'classic rock']"
                                     'discogstags'  "['pop rock', 'soul', 'rock', 'funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '134.288'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Sitting On The Dock Of The Bay'
'TBPM' (BPM (beats per minute))                     '134.288'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Build Me Up Buttercup'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Foundations'
'TPE2' (Band/orchestra/accompaniment)               'The Foundations'
'TRCK' (Track number/Position in set)               '1'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop rock', 'soul', 'rock', 'funk / soul']
'TXXX:lastfmtags'                                   ['oldies', '60s', 'motown', 'soul', 'pop', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.576856'

========================== row from database ==========================
                                              'id'  1325914
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/The Foundations__MBZ;#The Foundations;#Sitting on the Dock of the Bay;#01;#Build Me Up Buttercup.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  funk or soul
                                        'filesize'  2883909
                                           'mtime'  1628357955
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Foundations__MBZ;#The Foundations;#Sitting the of the Bay;#01;#Build funk or soul
                                      'tag_artist'  The Foundations
                                     'tag_release'  Sitting On The Dock Of The Bay
                                       'tag_title'  Build Me Up Buttercup
                                             'bpm'  134.288
                                    'search_title'  'build':1 'buttercup':4 'me':2 'up':3
                                   'search_artist'  'foundations':2 'the':1
                                  'search_release'  'bay':6 'dock':4 'of':5 'on':2 'sitting':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '01':20,23 'bay':19,22 'build':21,24 'files':5,6 'foundations':7,10,13,15 'funk':25 'loose':3,4 'mbz':8,11 'of':18 'or':26 'sitting':14,16 'soul':27 'the':9,12,17 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '01':32,35 'bay':12C,31,34 'build':1A,33,36 'buttercup':4A 'dock':10C 'files':17,18 'foundations':6B,19,22,25,27 'funk':37 'loose':15,16 'mbz':20,23 'me':2A 'of':11C,30 'on':8C 'or':38 'sitting':7C,26,28 'soul':39 'the':5B,9C,21,24,29 'unsorted':14 'up':3A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', '60s', 'motown', 'soul', 'pop', 'classic rock']
                                        'tag_date'  1969
                                     'discogstags'  ['pop rock', 'soul', 'rock', 'funk / soul']

============================== file details ==============================
                                           'mtime'  1628357955.1903875  (2021-08-07 19:39:15)
                             'size'  2883909