======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '225'
                                          'artist'  'Sting & The Police'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Walking On The Moon'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rock', 'classic rock', 'new wave', '80s', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '145.580'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Walking On The Moon'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sting & The Police'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '056,183'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'classic rock', 'new wave', '80s', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.454130'

========================== row from database ==========================
                                              'id'  1355147
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Sting & The Police__cifsbdbc.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  225
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3617791
                                           'mtime'  1620573000
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Police__cifsbdbc electronic generic or radio unsorted
                                      'tag_artist'  Sting & The Police
                                     'tag_release'  None
                                       'tag_title'  Walking On The Moon
                                             'bpm'  145.58
                                    'search_title'  'moon':4 'on':2 'the':3 'walking':1
                                   'search_artist'  'police':3 'sting':1 'the':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'cifsbdbc':8 'electronic':9 'files':5,6 'generic':10 'loose':3,4 'or':11 'police':7 'radio':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'cifsbdbc':15 'electronic':16 'files':12,13 'generic':17 'loose':10,11 'moon':4A 'on':2A 'or':18 'police':7B,14 'radio':19 'sting':5B 'the':3A,6B 'unsorted':9 'walking':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'classic rock', 'new wave', '80s', 'pop']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572999.866557  (2021-05-09 17:09:59)
                             'size'  3617791