======================== unified (from filesystem) ========================
                                         'bitrate'  '197.378'
                                        'duration'  '298'
                                          'artist'  'Brooklyn Funk Essentials'
                                     'text_people'  'Lati Kronlund/Arthur Baker/Maceo Parker'
                                         'release'  'Cool And Steady And Easy'
                                           'title'  'Blow Your Brains Out'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz funk', 'jazz', 'afro armpit funk', 'funk', 'acid jazz', 'chillout']"
                                     'discogstags'  "['electronic', 'hip hop', 'acid jazz', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '118.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cool And Steady And Easy'
'TBPM' (BPM (beats per minute))                     '118.2'
'TCOM' (Composer)                                   'Lati Kronlund/Arthur Baker/Maceo Parker'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Blow Your Brains Out'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brooklyn Funk Essentials'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/12'
'TXXX:Encoding Params'                              'vers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'acid jazz', 'hip hop']
'TXXX:iTunes_CDDB_1'                                '9A0F670C+295895+12+187+26487+52772+75162+98660+122987+141645+169792+198360+220747+254352+277622'
'TXXX:iTunes_CDDB_TrackNumber'                      '9'
'TXXX:lastfmtags'                                   ['jazz funk', 'jazz', 'afro armpit funk', 'funk', 'acid jazz', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.43 dB'
'TXXX:replaygain_track_peak'                        '0.530295'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1110193
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Brooklyn Funk Essentials/Cool And Steady And Easy/09 Blow Your Brains Out.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  298
                                           'genre'  funk or soul-funk
                                        'filesize'  7368576
                                           'mtime'  1620665588
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 09 funk or soul funk
                                      'tag_artist'  Brooklyn Funk Essentials
                                     'tag_release'  Cool And Steady And Easy
                                       'tag_title'  Blow Your Brains Out
                                             'bpm'  118.2
                                    'search_title'  'blow':1 'brains':3 'out':4 'your':2
                                   'search_artist'  'brooklyn':1 'essentials':3 'funk':2
                                  'search_release'  'and':2 'cool':1 'easy':4 'steady':3
                                     'search_rest'  'funk':2 'or':4 'soul':3 'swing':1
                                    'search_combo'  'and':9C 'blow':1A 'brains':3A 'brooklyn':5B 'cool':8C 'easy':11C 'essentials':7B 'funk':6B,13 'or':15 'out':4A 'soul':14 'steady':10C 'swing':12 'your':2A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz funk', 'jazz', 'afro armpit funk', 'funk', 'acid jazz', 'chillout']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'hip hop', 'acid jazz', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620665588.089153  (2021-05-10 18:53:08)
                             'size'  7368576