======================== unified (from filesystem) ========================
                                         'bitrate'  '178.524'
                                        'duration'  '239'
                                          'artist'  'Lenny Kravitz'
                                     'text_people'  ''
                                         'release'  'Mama Said'
                                           'title'  "It Ain't Over 'Til It's Over"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'pop', 'funk', 'rock']"
                                     'discogstags'  "['rock', 'soft rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '106.587'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'CC0C710E'
'COMM:ID3v1 Comment:XXX'                            'CC0C710E'
'TALB' (Album/Movie/Show title)                     'Mama Said'
'TBPM' (BPM (beats per minute))                     '106.587'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         "It Ain't Over 'Til It's Over"
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lenny Kravitz'
'TRCK' (Track number/Position in set)               '4/14'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, 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:discogstags'                                  ['rock', 'soft rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'pop', 'funk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.666616'

========================== row from database ==========================
                                              'id'  1517727
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lenny Kravitz/Lenny Kravitz_/Mama Said/Lenny Kravitz - It Ain_t Over _Til It_s Over - 04.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  239
                                           'genre'  rock-unsorted
                                        'filesize'  5341010
                                           'mtime'  1638551016
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Kravitz_ Ain_t _Til It_s 04 rock unsorted
                                      'tag_artist'  Lenny Kravitz
                                     'tag_release'  Mama Said
                                       'tag_title'  It Ain't Over 'Til It's Over
                                             'bpm'  106.587
                                    'search_title'  'ain':2 'aint':4 'it':1,8 'its':10 'over':5 's':9 't':3 'til':6,7
                                   'search_artist'  'kravitz':2 'lenny':1
                                  'search_release'  'mama':1 'said':2
                                     'search_rest'  '00poprockelectronic':1 'ain':3 'it':6 'kravitz':2 'rock':8 's':7 't':4 'til':5 'unsorted':9
                                    'search_combo'  '00poprockelectronic':15 'ain':2A,17 'aint':4A 'it':1A,8A,20 'its':10A 'kravitz':12B,16 'lenny':11B 'mama':13C 'over':5A 'rock':22 's':9A,21 'said':14C 't':3A,18 'til':6A,7A,19 'unsorted':23
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'pop', 'funk', 'rock']
                                        'tag_date'  1991
                                     'discogstags'  ['rock', 'soft rock']

============================== file details ==============================
                                           'mtime'  1638551016.477508  (2021-12-03 18:03:36)
                             'size'  5341010