======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '161'
                                          'artist'  'The Soul Controllers'
                                     'text_people'  'C. Eaton/D. Booth'
                                         'release'  'This Funky Thing'
                                           'title'  'Right On Brother, Right On'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                     'discogstags'  "['funk / soul', 'rhythm & blues', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '113.5'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'This Funky Thing'
'TBPM' (BPM (beats per minute))                     '113.5'
'TCOM' (Composer)                                   'C. Eaton/D. Booth'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Right On Brother, Right On'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '161000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Soul Controllers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Goldmine'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'rhythm & blues', 'soul', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.42 dB'
'TXXX:replaygain_track_peak'                        '0.435105'

========================== row from database ==========================
                                              'id'  1524421
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Various Artists (1970_s) this funky thing (an extremely rare 70_s collection)/04 - the soul controllers - right on brother, right on.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  161
                                           'genre'  funk or soul
                                        'filesize'  3235569
                                           'mtime'  1622756540
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Various Artists (1970_s) this funky thing (an extremely rare 70_s collection) 04 soul controllers right brother, right funk or soul
                                      'tag_artist'  The Soul Controllers
                                     'tag_release'  This Funky Thing
                                       'tag_title'  Right On Brother, Right On
                                             'bpm'  113.5
                                    'search_title'  'brother':3,4 'on':2 'right':1
                                   'search_artist'  'controllers':3 'soul':2 'the':1
                                  'search_release'  'funky':2 'thing':3 'this':1
                                     'search_rest'  '1970':6,8 '70':17 'an':13,14 'artists':5 'brother':23,24 'collection':19,20 'controllers':21 'extremely':15 'funk':2 'funky':11 'or':25 'rare':16 'right':22 's':7,9,18 'soul':3 'swing':1 'thing':12 'this':10 'various':4
                                    'search_combo'  '1970':16,18 '70':27 'an':23,24 'artists':15 'brother':3A,4A,33,34 'collection':29,30 'controllers':7B,31 'extremely':25 'funk':12 'funky':9C,21 'on':2A 'or':35 'rare':26 'right':1A,32 's':17,19,28 'soul':6B,13 'swing':11 'the':5B 'thing':10C,22 'this':8C,20 'various':14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  ['funk / soul', 'rhythm & blues', 'soul', 'funk']

============================== file details ==============================
                                           'mtime'  1622756539.5218728  (2021-06-03 23:42:19)
                             'size'  3235569