======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '227'
                                          'artist'  'Lenny Kravitz'
                                     'text_people'  ''
                                         'release'  '5'
                                           'title'  "You're My Flavor"
                                           '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-2', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'pop', 'funk', 'rock']"
                                     'discogstags'  "['rock', 'pop rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '144.028'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '5'
'TBPM' (BPM (beats per minute))                     '144.028'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "You're My Flavor"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lenny Kravitz'
'TRCK' (Track number/Position in set)               '12'
'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', 'pop rock', 'classic rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'pop', 'funk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.496732'

========================== row from database ==========================
                                              'id'  1515497
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lenny Kravitz/MBZ;#Lenny Kravitz;#5;#12;#You_re My Flavor.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  227
                                           'genre'  rock-unsorted
                                        'filesize'  3649111
                                           'mtime'  1638551022
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Lenny Kravitz;#5;#12;#You_re rock unsorted
                                      'tag_artist'  Lenny Kravitz
                                     'tag_release'  5
                                       'tag_title'  You're My Flavor
                                             'bpm'  144.028
                                    'search_title'  'flavor':5 'my':4 're':2 'you':1 'youre':3
                                   'search_artist'  'kravitz':2 'lenny':1
                                  'search_release'  '5':1
                                     'search_rest'  '00poprockelectronic':1 '12':8,13 '5':7,12 'kravitz':6,11 'lenny':3,5 'mbz':2,4 're':10,15 'rock':16 'unsorted':17 'you':9,14
                                    'search_combo'  '00poprockelectronic':9 '12':16,21 '5':8C,15,20 'flavor':5A 'kravitz':7B,14,19 'lenny':6B,11,13 'mbz':10,12 'my':4A 're':2A,18,23 'rock':24 'unsorted':25 'you':1A,17,22 'youre':3A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', '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'  1999
                                     'discogstags'  ['rock', 'pop rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1638551022.2629936  (2021-12-03 18:03:42)
                             'size'  3649111