======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '382'
                                          'artist'  'Coeo'
                                     'text_people'  ''
                                         'release'  'Traxsource: Top 100 - April-May 2016'
                                           'title'  'Light Star (COEO Edit)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['disco', 'german', 'house', 'edit', 're-edit']"
                                     'discogstags'  "['nu-disco', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '121.00'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Traxsource: Top 100 - April-May 2016'
'TBPM' (BPM (beats per minute))                     '121.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Light Star (COEO Edit)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Coeo'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['nu-disco', 'electronic']
'TXXX:lastfmtags'                                   ['disco', 'german', 'house', 'edit', 're-edit']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.442906'

========================== row from database ==========================
                                              'id'  1286008
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Coeo - Light Star (COEO Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  382
                                           'genre'  electronic-unsorted
                                        'filesize'  15329495
                                           'mtime'  1620570960
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Coeo
                                     'tag_release'  Traxsource: Top 100 - April-May 2016
                                       'tag_title'  Light Star (COEO Edit)
                                             'bpm'  121.0
                                    'search_title'  'coeo':3,4 'edit':5,6 'light':1 'star':2
                                   'search_artist'  'coeo':1
                                  'search_release'  '100':4 '2016':8 'april':5 'aprilmay':7 'may':6 'top':3 'traxsource':1,2
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':16 '100':11C '2015':19 '2016':15C 'april':12C 'aprilmay':14C 'coeo':3A,4A,7B 'edit':5A,6A 'electronic':20 'guy':18 'light':1A 'marvin':17 'may':13C 'star':2A 'top':10C 'traxsource':8C,9C 'unsorted':21
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', '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-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['disco', 'german', 'house', 'edit', 're-edit']
                                        'tag_date'  2016
                                     'discogstags'  ['nu-disco', 'electronic']

============================== file details ==============================
                                           'mtime'  1620570960.1745915  (2021-05-09 16:36:00)
                             'size'  15329495