======================== unified (from filesystem) ========================
                                         'bitrate'  '211.104'
                                        'duration'  '178'
                                          'artist'  "Th' Legendary Shack Shakers"
                                     'text_people'  'Col. J.D. Wilkes'
                                         'release'  'believe'
                                           'title'  "03-where's the devil when you need him"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychobilly', 'rockabilly', 'country', 'punk', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '132.791'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'believe'
'TBPM' (BPM (beats per minute))                     '132.791'
'TCOM' (Composer)                                   'Col. J.D. Wilkes'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "03-where's the devil when you need him"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Th' Legendary Shack Shakers"
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['psychobilly', 'rockabilly', 'country', 'punk', 'blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.435548'

========================== row from database ==========================
                                              'id'  1523428
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Legendary Shack Shakers, Th_/believe/03-where_s the devil when you need him.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  178
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4714419
                                           'mtime'  1620526450
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica Shakers, Th_ where_s rock rockabilly or psychobilly
                                      'tag_artist'  Th' Legendary Shack Shakers
                                     'tag_release'  believe
                                       'tag_title'  03-where's the devil when you need him
                                             'bpm'  132.791
                                    'search_title'  '03':1 '03wheres':4 'devil':6 'him':10 'need':9 's':3 'the':5 'when':7 'where':2 'you':8
                                   'search_artist'  'legendary':3 'shack':4 'shakers':5 'th':1,2
                                  'search_release'  'believe':1
                                     'search_rest'  '00poprockelectronic':1 'musica':2 'or':10 'psychobilly':11 'rock':8 'rockabilly':9 's':7 'shakers':3,4 'th':5 'where':6
                                    'search_combo'  '00poprockelectronic':17 '03':1A '03wheres':4A 'believe':16C 'devil':6A 'him':10A 'legendary':13B 'musica':18 'need':9A 'or':26 'psychobilly':27 'rock':24 'rockabilly':25 's':3A,23 'shack':14B 'shakers':15B,19,20 'th':11B,12B,21 'the':5A 'when':7A 'where':2A,22 'you':8A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychobilly', 'rockabilly', 'country', 'punk', 'blues']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526449.5179648  (2021-05-09 04:14:09)
                             'size'  4714419