======================== unified (from filesystem) ========================
                                         'bitrate'  '183.348'
                                        'duration'  '292'
                                          'artist'  'Stevie Ray Vaughan'
                                     'text_people'  ''
                                         'release'  "Couldn't Stand The Weather (Remaster)"
                                           'title'  'The Things (That) I Used To Do'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'guitar', 'blues', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '13'
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues-rock;mi-guitar-electric'
                                             'bpm'  '123.784'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'A10CE30D'
'COMM:ID3v1 Comment:XXX'                            'A10CE30D'
'TALB' (Album/Movie/Show title)                     "Couldn't Stand The Weather (Remaster)"
'TBPM' (BPM (beats per minute))                     '123.784'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues-rock', 'mi-guitar-electric']
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'The Things (That) I Used To Do'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stevie Ray Vaughan'
'TRCK' (Track number/Position in set)               '3/13'
'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'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues rock', 'guitar', 'blues', 'rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.553276'

========================== row from database ==========================
                                              'id'  1532438
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Vaughan, Stevie Ray/Couldn_t Stand The Weather (Remaster)/Stevie Ray Vaughan - The Things (That) I Used to Do - 03.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  292
                                           'genre'  prerock-jb-blues-rock;mi-guitar-electric
                                        'filesize'  6700615
                                           'mtime'  1674646726
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Vaughan, Couldn_t to 03 prerock jb blues rock;mi guitar electric
                                      'tag_artist'  Stevie Ray Vaughan
                                     'tag_release'  Couldn't Stand The Weather (Remaster)
                                       'tag_title'  The Things (That) I Used To Do
                                             'bpm'  123.784
                                    'search_title'  'do':8 'i':5 'that':3,4 'the':1 'things':2 'to':7 'used':6
                                   'search_artist'  'ray':2 'stevie':1 'vaughan':3
                                  'search_release'  'couldn':1 'couldnt':3 'remaster':7,8 'stand':4 't':2 'the':5 'weather':6
                                     'search_rest'  'blues':12 'couldn':7 'country':4 'electric':18 'exotica':2 'guitar':17 'jazz':1 'jb':11 'mi':14,16 'oldies':3 'prerock':10 'rock':13,15 't':8 'to':9 'vaughan':5,6
                                    'search_combo'  'blues':31 'couldn':12C,26 'couldnt':14C 'country':23 'do':8A 'electric':37 'exotica':21 'guitar':36 'i':5A 'jazz':20 'jb':30 'mi':33,35 'oldies':22 'prerock':29 'ray':10B 'remaster':18C,19C 'rock':32,34 'stand':15C 'stevie':9B 't':13C,27 'that':3A,4A 'the':1A,16C 'things':2A 'to':7A,28 'used':6A 'vaughan':11B,24,25 'weather':17C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['blues rock', 'guitar', 'blues', 'rock', 'classic rock']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646726.206511  (2023-01-25 12:38:46)
                             'size'  6700615