======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '126'
                                          'artist'  'Johnny Cash'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Flushed from the Bathroom of Your Heart'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['country', 'singer songwritergdchill', 'cover', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '28'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '114.673'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.673'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'Flushed from the Bathroom of Your Heart'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Cash'
'TRCK' (Track number/Position in set)               '20/28'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.97, 128 Kbit/s, Joint Stereo, High quality'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.572351'

========================== row from database ==========================
                                              'id'  1352467
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Johnny Cash - Flushed from the Bathroom of Your Heart.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  126
                                           'genre'  ifs-songwriter
                                        'filesize'  2032801
                                           'mtime'  1637330719
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean ifs songwriter
                                      'tag_artist'  Johnny Cash
                                     'tag_release'  None
                                       'tag_title'  Flushed from the Bathroom of Your Heart
                                             'bpm'  114.673
                                    'search_title'  'bathroom':4 'flushed':1 'from':2 'heart':7 'of':5 'the':3 'your':6
                                   'search_artist'  'cash':2 'johnny':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'clean':2 'ifs':3 'songwriter':4
                                    'search_combo'  '00poprockelectronic':10 'bathroom':4A 'cash':9B 'clean':11 'flushed':1A 'from':2A 'heart':7A 'ifs':12 'johnny':8B 'of':5A 'songwriter':13 'the':3A 'your':6A
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330719.1636357  (2021-11-19 15:05:19)
                             'size'  2032801