======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '277'
                                          'artist'  'Original Dixieland Jazz Band'
                                     'text_people'  ''
                                         'release'  '80 Years of Jazz - 1917 to 1997'
                                           'title'  'Fidgety Feet'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new orleans', 'american', 'jazz', 'dixieland', 'dixieland jazz']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '145.163'
                                             'key'  '5B'
                                        '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)                     '80 Years of Jazz - 1917 to 1997'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'Fidgety Feet'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Original Dixieland Jazz Band'
'TRCK' (Track number/Position in set)               '7'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['new orleans', 'american', 'jazz', 'dixieland', 'dixieland jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.74 dB'
'TXXX:replaygain_track_peak'                        '0.583961'

========================== row from database ==========================
                                              'id'  679799
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Original Dixieland Jazz Band/Original_Dixieland_Jazz_Band-80_Years_of__7.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  277
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  4449860
                                           'mtime'  1620533163
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Original_Dixieland_Jazz_Band 80_Years_of__7 prerock jb jazz dixiestyle
                                      'tag_artist'  Original Dixieland Jazz Band
                                     'tag_release'  80 Years of Jazz - 1917 to 1997
                                       'tag_title'  Fidgety Feet
                                             'bpm'  145.163
                                    'search_title'  'feet':2 'fidgety':1
                                   'search_artist'  'band':4 'dixieland':2 'jazz':3 'original':1
                                  'search_release'  '1917':5 '1997':7 '80':1 'jazz':4 'of':3 'to':6 'years':2
                                     'search_rest'  '7':12 '80':9 'band':8 'country':4 'dixieland':6 'dixiestyle':15 'exotica':2 'jazz':1,7 'jb':14 'of':11 'oldies':3 'original':5 'prerock':13 'years':10
                                    'search_combo'  '1917':11C '1997':13C '7':25 '80':7C,22 'band':6B,21 'country':17 'dixieland':4B,19 'dixiestyle':28 'exotica':15 'feet':2A 'fidgety':1A 'jazz':5B,10C,14,20 'jb':27 'of':9C,24 'oldies':16 'original':3B,18 'prerock':26 'to':12C 'years':8C,23
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['new orleans', 'american', 'jazz', 'dixieland', 'dixieland jazz']
                                        'tag_date'  1945
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620533162.70708  (2021-05-09 06:06:02)
                             'size'  4449860