======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '150'
                                          'artist'  'Austin Powers'
                                     'text_people'  ''
                                         'release'  'PrimeCuts (Movie Themes)'
                                           'title'  "These Boots Are Made For Walkin'"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-LOCALNESS-3', "
 "'Q-JZFKS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'zicbouge', 'comedy', 'bossa nova', 'post grunge']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '89.493'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'PrimeCuts (Movie Themes)'
'TBPM' (BPM (beats per minute))                     '89.493'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "These Boots Are Made For Walkin'"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Austin Powers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'zicbouge', 'comedy', 'bossa nova', 'post grunge']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.40 dB'
'TXXX:replaygain_track_peak'                        '0.636490'

========================== row from database ==========================
                                              'id'  1502829
                                            'path'  /data/Music/Bulk/0soundtrack/Unsorted/Austin Powers - These Boots Are Made For Walkin_ - Mrs Elva Miller.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  150
                                           'genre'  soundtrack-video
                                        'filesize'  3607974
                                           'mtime'  1621489328
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Unsorted Walkin_ Mrs Elva Miller soundtrack video
                                      'tag_artist'  Austin Powers
                                     'tag_release'  PrimeCuts (Movie Themes)
                                       'tag_title'  These Boots Are Made For Walkin'
                                             'bpm'  89.493
                                    'search_title'  'are':3 'boots':2 'for':5 'made':4 'these':1 'walkin':6,7
                                   'search_artist'  'austin':1 'powers':2
                                  'search_release'  'cuts':7 'movie':2,3 'prime':6 'primecuts':1 'themes':4,5
                                     'search_rest'  '0soundtrack':1 'elva':5 'miller':6 'mrs':4 'soundtrack':7 'unsorted':2 'video':8 'walkin':3
                                    'search_combo'  '0soundtrack':17 'are':3A 'austin':8B 'boots':2A 'cuts':16C 'elva':21 'for':5A 'made':4A 'miller':22 'movie':11C,12C 'mrs':20 'powers':9B 'prime':15C 'primecuts':10C 'soundtrack':23 'themes':13C,14C 'these':1A 'unsorted':18 'video':24 'walkin':6A,7A,19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'zicbouge', 'comedy', 'bossa nova', 'post grunge']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489328.0621493  (2021-05-20 07:42:08)
                             'size'  3607974