======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '365'
                                          'artist'  'Roommates'
                                     'text_people'  ''
                                         'release'  'Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)'
                                           'title'  'Raaw (Original Mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['lo-fi', 'all', 'indie', 'oldies', 'canadian']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.00'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '120.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Raaw (Original Mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roommates'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['lo-fi', 'all', 'indie', 'oldies', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.17 dB'
'TXXX:replaygain_track_peak'                        '0.555216'

========================== row from database ==========================
                                              'id'  1301366
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Roommates - Raaw (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  365
                                           'genre'  electronic-unsorted
                                        'filesize'  14712832
                                           'mtime'  1620571152
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Roommates
                                     'tag_release'  Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Raaw (Original Mix)
                                             'bpm'  120.0
                                    'search_title'  'mix':4,5 'original':2,3 'raaw':1
                                   'search_artist'  'roommates':1
                                  'search_release'  '2016':6 'august':5 'beatport':1,2 'dance':9 'disco':11,12 'hear':4 'indie':7,8 'must':3 'nu':10
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':19 '2015':22 '2016':12C 'august':11C 'beatport':7C,8C 'dance':15C 'disco':17C,18C 'electronic':23 'guy':21 'hear':10C 'indie':13C,14C 'marvin':20 'mix':4A,5A 'must':9C 'nu':16C 'original':2A,3A 'raaw':1A 'roommates':6B 'unsorted':24
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lo-fi', 'all', 'indie', 'oldies', 'canadian']
                                        'tag_date'  2016
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620571152.1852677  (2021-05-09 16:39:12)
                             'size'  14712832