======================== unified (from filesystem) ========================
                                         'bitrate'  '261.44'
                                        'duration'  '149'
                                          'artist'  'Syl Johnson'
                                     'text_people'  ''
                                         'release'  'The Complete Twinight Singles'
                                           'title'  "That's Why"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  '29'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '136.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '9611BF1D+340898+29+150+11175+20475+30900+40997+52455+61312+72144+83655+91234+103719+117266+130048+140472+153045+165203+180143+190654+201617+214621+225814+237287+249043+261185+275021+285840+299970+313360+329662'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '29'
'TALB' (Album/Movie/Show title)                     'The Complete Twinight Singles'
'TBPM' (BPM (beats per minute))                     '136.3'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         "That's Why"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Syl Johnson'
'TRCK' (Track number/Position in set)               '29/29'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.99.5 (http://lame.sf.net)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.57 dB'
'TXXX:replaygain_track_peak'                        '0.429897'

========================== row from database ==========================
                                              'id'  1521236
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Syl Johnson - The Complete Twinight Singles/29 - Syl Johnson - That_s Why.mp3
                                         'working'  None
                                         'bitrate'  261
                                    'duration_sec'  149
                                           'genre'  funk or soul-funk
                                        'filesize'  4899851
                                           'mtime'  1620665702
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 29 That_s funk or soul funk
                                      'tag_artist'  Syl Johnson
                                     'tag_release'  The Complete Twinight Singles
                                       'tag_title'  That's Why
                                             'bpm'  136.3
                                    'search_title'  's':2 'that':1 'thats':3 'why':4
                                   'search_artist'  'johnson':2 'syl':1
                                  'search_release'  'complete':2 'singles':4 'the':1 'twinight':3
                                     'search_rest'  '29':4 'funk':2 'or':7 's':6 'soul':3 'swing':1 'that':5
                                    'search_combo'  '29':14 'complete':8C 'funk':12 'johnson':6B 'or':17 's':2A,16 'singles':10C 'soul':13 'swing':11 'syl':5B 'that':1A,15 'thats':3A 'the':7C 'twinight':9C 'why':4A
                                    'tag_tracknum'  29
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665702.2505324  (2021-05-10 18:55:02)
                             'size'  4899851