======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '317'
                                          'artist'  'Select Mix Digital'
                                     'text_people'  ''
                                         'release'  'Select Mix 80s Essentials: 04'
                                           'title'  'Sussudio (Select Mix Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '122.289'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Select Mix 80s Essentials: 04'
'TBPM' (BPM (beats per minute))                     '122.289'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TENC' (Encoded by)                                 'LAME 3.99.5 V0'
'TIT2' (Title/songname/content description)         'Sussudio (Select Mix Remix)'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'German'
'TPE1' (Lead performer(s)/Soloist(s))               'Phil Collins'
'TPE2' (Band/orchestra/accompaniment)               'Select Mix Digital'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.586915'

========================== row from database ==========================
                                              'id'  1335950
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/137-B Phil Collins - Sussudio (Select Mix Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  317
                                           'genre'  electronic-generic or radio
                                        'filesize'  12722254
                                           'mtime'  1630243325
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 137 B Phil Collins electronic generic or radio
                                      'tag_artist'  Select Mix Digital
                                     'tag_release'  Select Mix 80s Essentials: 04
                                       'tag_title'  Sussudio (Select Mix Remix)
                                             'bpm'  122.289
                                    'search_title'  'mix':4 'remix':5,6 'select':2,3 'sussudio':1
                                   'search_artist'  'digital':3 'mix':2 'select':1
                                  'search_release'  '80s':3 'essentials':4,5 'mix':2 'select':1
                                     'search_rest'  '00poprockelectronic':1 '137':4 '1985':2 'b':5 'collins':7 'complete':3 'electronic':8 'generic':9 'or':10 'phil':6 'radio':11
                                    'search_combo'  '00poprockelectronic':15 '137':18 '1985':16 '80s':12C 'b':19 'collins':21 'complete':17 'digital':9B 'electronic':22 'essentials':13C,14C 'generic':23 'mix':4A,8B,11C 'or':24 'phil':20 'radio':25 'remix':5A,6A 'select':2A,3A,7B,10C 'sussudio':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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'  []
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630243325.0513763  (2021-08-29 15:22:05)
                             'size'  12722254