======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '353'
                                          'artist'  'Manager'
                                     'text_people'  ''
                                         'release'  'LW Recordings: Future Indie Dance Classics (Vol. 15) (2016)'
                                           'title'  'Insomnia (Original Mix)'
                                           'quals'  ("['Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'q-syn-3', 'q-bass-4', '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'  "['2010s']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '121.15'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'LW Recordings: Future Indie Dance Classics (Vol. 15) (2016)'
'TBPM' (BPM (beats per minute))                     '121.15'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Insomnia (Original Mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Manager'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   '2010s'
'TXXX:q-bass'                                       '4'
'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'                        '+7.35 dB'
'TXXX:replaygain_track_peak'                        '0.134305'

========================== row from database ==========================
                                              'id'  1317281
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Manager - Insomnia (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  353
                                           'genre'  electronic-unsorted
                                        'filesize'  14202877
                                           'mtime'  1620571080
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Manager
                                     'tag_release'  LW Recordings: Future Indie Dance Classics (Vol. 15) (2016)
                                       'tag_title'  Insomnia (Original Mix)
                                             'bpm'  121.15
                                    'search_title'  'insomnia':1 'mix':4,5 'original':2,3
                                   'search_artist'  'manager':1
                                  'search_release'  '15':10,11 '2016':12,13 'classics':7 'dance':6 'future':4 'indie':5 'lw':1 'recordings':2,3 'vol':8,9
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':20 '15':16C,17C '2015':23 '2016':18C,19C 'classics':13C 'dance':12C 'electronic':24 'future':10C 'guy':22 'indie':11C 'insomnia':1A 'lw':7C 'manager':6B 'marvin':21 'mix':4A,5A 'original':2A,3A 'recordings':8C,9C 'unsorted':25 'vol':14C,15C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['2010s']
                                        'tag_date'  2016
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620571080.1532266  (2021-05-09 16:38:00)
                             'size'  14202877