======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '166'
                                          'artist'  'Indigo Girls'
                                     'text_people'  ''
                                         'release'  'Become You'
                                           'title'  'Bitter Root'
                                           '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-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '125.160'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Become You'
'TBPM' (BPM (beats per minute))                     '125.160'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Bitter Root'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Indigo Girls'
'TRCK' (Track number/Position in set)               '8'
'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:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.532488'

========================== row from database ==========================
                                              'id'  1311471
                                            'path'  /data/Music/Bulk/00poprockelectronic/Indigo Girls/MBZ;#Indigo Girls;#Become You;#08;#Bitter Root.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  166
                                           'genre'  ifs-songwriter
                                        'filesize'  2660093
                                           'mtime'  1637330724
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Indigo Girls;#Become You;#08;#Bitter ifs songwriter
                                      'tag_artist'  Indigo Girls
                                     'tag_release'  Become You
                                       'tag_title'  Bitter Root
                                             'bpm'  125.16
                                    'search_title'  'bitter':1 'root':2
                                   'search_artist'  'girls':2 'indigo':1
                                  'search_release'  'become':1 'you':2
                                     'search_rest'  '00poprockelectronic':1 '08':11,14 'become':7,9 'bitter':12,15 'girls':6,8 'ifs':16 'indigo':3,5 'mbz':2,4 'songwriter':17 'you':10,13
                                    'search_combo'  '00poprockelectronic':7 '08':17,20 'become':5C,13,15 'bitter':1A,18,21 'girls':4B,12,14 'ifs':22 'indigo':3B,9,11 'mbz':8,10 'root':2A 'songwriter':23 'you':6C,16,19
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1637330724.0855634  (2021-11-19 15:05:24)
                             'size'  2660093