======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '136'
                                          'artist'  'Breakbeat Heartbeat'
                                     'text_people'  'Neil Turnbull'
                                         'release'  'Soundwaves'
                                           'title'  'Just Killing Time'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['8bit', '8 bit', 'chiptune', 'breakcore', 'ambient']"
                                     'discogstags'  "['electronic', 'chiptune']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '140'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Soundwaves'
'TBPM' (BPM (beats per minute))                     '140'
'TCOM' (Composer)                                   'Neil Turnbull'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'LAME in FL Studio 7'
'TIT2' (Title/songname/content description)         'Just Killing Time'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Breakbeat Heartbeat'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'chiptune']
'TXXX:lastfmtags'                                   ['8bit', '8 bit', 'chiptune', 'breakcore', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.369805'

========================== row from database ==========================
                                              'id'  1296013
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/Breakbeat Heartbeat - (2008) Soundwaves/11 - Just Killing Time.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  136
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  2189181
                                           'mtime'  1621696215
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy (2008) 11 electronic we beeps or chip or pico
                                      'tag_artist'  Breakbeat Heartbeat
                                     'tag_release'  Soundwaves
                                       'tag_title'  Just Killing Time
                                             'bpm'  140.0
                                    'search_title'  'just':1 'killing':2 'time':3
                                   'search_artist'  'breakbeat':1 'heartbeat':2
                                  'search_release'  'soundwaves':1
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '2008':3,4 'beeps':7 'chip':9 'electronic':5 'or':8 'pico':10 'we':6
                                    'search_combo'  '00beepy':8 '00poprockelectronic':7 '2008':9,10 'beeps':13 'breakbeat':4B 'chip':15 'electronic':11 'heartbeat':5B 'just':1A 'killing':2A 'or':14 'pico':16 'soundwaves':6C 'time':3A 'we':12
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['8bit', '8 bit', 'chiptune', 'breakcore', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'chiptune']

============================== file details ==============================
                                           'mtime'  1621696215.4779856  (2021-05-22 17:10:15)
                             'size'  2189181