======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '83'
                                          'artist'  'tangible'
                                     'text_people'  ''
                                         'release'  'homewerks'
                                           'title'  'flex novice'
                                           '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-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '99.960'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'www.8bitpeoples.com'
'TALB' (Album/Movie/Show title)                     'homewerks'
'TBPM' (BPM (beats per minute))                     '99.960'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'flex novice'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'tangible'
'TRCK' (Track number/Position in set)               '15'
'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'                                   ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.45 dB'
'TXXX:replaygain_track_peak'                        '0.968394'

========================== row from database ==========================
                                              'id'  1340610
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tangible/8bp019-15-tangible-flex_novice.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  83
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  1331847
                                           'mtime'  1620572179
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Tangible 8bp019 15 flex_novice electronic beeps or chip or pico
                                      'tag_artist'  tangible
                                     'tag_release'  homewerks
                                       'tag_title'  flex novice
                                             'bpm'  99.96
                                    'search_title'  'flex':1 'novice':2
                                   'search_artist'  'tangible':1
                                  'search_release'  'homewerks':1
                                     'search_rest'  '00poprockelectronic':1 '8bp019':3 'beeps':7 'chip':9 'electronic':6 'flex':4 'novice':5 'or':8 'pico':10 'tangible':2
                                    'search_combo'  '00poprockelectronic':5 '8bp019':7 'beeps':11 'chip':13 'electronic':10 'flex':1A,8 'homewerks':4C 'novice':2A,9 'or':12 'pico':14 'tangible':3B,6
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'q-syn-4', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572178.6105182  (2021-05-09 16:56:18)
                             'size'  1331847