======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '191'
                                          'artist'  'sabastian boaz'
                                     'text_people'  ''
                                         'release'  'warm feeling'
                                           'title'  'field without fur'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['8 bit', 'chiptune', '8bit', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '96.760'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'www.8bitpeoples.com\r\nwww.zao'
'GEOB:5'                                            GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='5', data=b'\x01\x00\x02\x06\xb7FFFFFFF\x00')
'TALB' (Album/Movie/Show title)                     'warm feeling'
'TBPM' (BPM (beats per minute))                     '96.760'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'field without fur'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'sabastian boaz'
'TRCK' (Track number/Position in set)               '2'
'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:lastfmtags'                                   ['8 bit', 'chiptune', '8bit', 'electronic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.635990'

========================== row from database ==========================
                                              'id'  1380799
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/sabastian boaz - Sebastian Boaz/8bp021-02-sabastian_boaz-field_without_fur.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  191
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  3069777
                                           'mtime'  1621627768
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy Sebastian Boaz 8bp021 02 sabastian_boaz field_without_fur electronic we beeps or chip or pico
                                      'tag_artist'  sabastian boaz
                                     'tag_release'  warm feeling
                                       'tag_title'  field without fur
                                             'bpm'  96.76
                                    'search_title'  'field':1 'fur':3 'without':2
                                   'search_artist'  'boaz':2 'sabastian':1
                                  'search_release'  'feeling':2 'warm':1
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '8bp021':5 'beeps':13 'boaz':4,7 'chip':15 'electronic':11 'field':8 'fur':10 'or':14 'pico':16 'sabastian':6 'sebastian':3 'we':12 'without':9
                                    'search_combo'  '00beepy':9 '00poprockelectronic':8 '8bp021':12 'beeps':20 'boaz':5B,11,14 'chip':22 'electronic':18 'feeling':7C 'field':1A,15 'fur':3A,17 'or':21 'pico':23 'sabastian':4B,13 'sebastian':10 'warm':6C 'we':19 'without':2A,16
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['8 bit', 'chiptune', '8bit', 'electronic']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627767.9210806  (2021-05-21 22:09:27)
                             'size'  3069777