======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '231'
                                          'artist'  'Swimware'
                                     'text_people'  ''
                                         'release'  'Speedboat Night Sweat'
                                           'title'  'Speedboat Night Sweat'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['instrumental', 'electronic', 'retrowave', 'synthwave', 'synth']"
                                     'discogstags'  "['electronic', 'synthwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '107'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Speedboat Night Sweat'
'TBPM' (BPM (beats per minute))                     '107'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Speedboat Night Sweat'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Swimware'
'TPE2' (Band/orchestra/accompaniment)               'Swimware'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'American Grapefruit'
'TRCK' (Track number/Position in set)               '5'
'TSRC' (ISRC (international standard recording code))  'GBKPL1675468'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'synthwave']
'TXXX:lastfmtags'                                   ['instrumental', 'electronic', 'retrowave', 'synthwave', 'synth']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.425502'

========================== row from database ==========================
                                              'id'  1322712
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/VHS Dreams - RetroWave _ Outrun/5 - Swimware - Speedboat Night Sweat.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  231
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  9465949
                                           'mtime'  1620645149
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave VHS Dreams RetroWave _ Outrun 5 electronic synthwave or chillwave or retrowave
                                      'tag_artist'  Swimware
                                     'tag_release'  Speedboat Night Sweat
                                       'tag_title'  Speedboat Night Sweat
                                             'bpm'  107.0
                                    'search_title'  'night':2 'speedboat':1 'sweat':3
                                   'search_artist'  'swimware':1
                                  'search_release'  'night':2 'speedboat':1 'sweat':3
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 '5':9 'chillwave':13 'disco':3 'dreams':6 'electronic':10 'or':12 'outrun':8 'retro':14 'retrowave':7 'synthwave':11 'vhs':5 'wave':15 'waves':2
                                    'search_combo'  '00poprockelectronic':8 '00synthwave':11 '5':16 'chillwave':20 'disco':10 'dreams':13 'electronic':17 'night':2A,6C 'or':19 'outrun':15 'retro':21 'retrowave':14 'speedboat':1A,5C 'sweat':3A,7C 'swimware':4B 'synthwave':18 'vhs':12 'wave':22 'waves':9
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'electronic', 'retrowave', 'synthwave', 'synth']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic', 'synthwave']

============================== file details ==============================
                                           'mtime'  1620645148.9238987  (2021-05-10 13:12:28)
                             'size'  9465949