======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '237'
                                          'artist'  'On A Clear Day You Can See Forever'
                                     'text_people'  ''
                                         'release'  'PrimeCuts (Movie Themes)'
                                           'title'  'City Of Prague Philharmonic'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-chart-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['musical', 'broadway', 'showtunes', 'nyc', 'theater']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '140.335'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'PrimeCuts (Movie Themes)'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'City Of Prague Philharmonic'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'On A Clear Day You Can See Forever'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['musical', 'broadway', 'showtunes', 'nyc', 'theater']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.34 dB'
'TXXX:replaygain_track_peak'                        '0.583397'

========================== row from database ==========================
                                              'id'  501266
                                            'path'  /data/Music/Bulk/0soundtrack/Unsorted/On A Clear Day You Can See Forever - City Of Prague Philharmonic.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  237
                                           'genre'  soundtrack-video
                                        'filesize'  5706370
                                           'mtime'  1621489362
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Unsorted soundtrack video
                                      'tag_artist'  On A Clear Day You Can See Forever
                                     'tag_release'  PrimeCuts (Movie Themes)
                                       'tag_title'  City Of Prague Philharmonic
                                             'bpm'  140.335
                                    'search_title'  'city':1 'of':2 'philharmonic':4 'prague':3
                                   'search_artist'  'a':2 'can':6 'clear':3 'day':4 'forever':8 'on':1 'see':7 'you':5
                                  'search_release'  'cuts':7 'movie':2,3 'prime':6 'primecuts':1 'themes':4,5
                                     'search_rest'  '0soundtrack':1 'soundtrack':3 'unsorted':2 'video':4
                                    'search_combo'  '0soundtrack':20 'a':6B 'can':10B 'city':1A 'clear':7B 'cuts':19C 'day':8B 'forever':12B 'movie':14C,15C 'of':2A 'on':5B 'philharmonic':4A 'prague':3A 'prime':18C 'primecuts':13C 'see':11B 'soundtrack':22 'themes':16C,17C 'unsorted':21 'video':23 'you':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['musical', 'broadway', 'showtunes', 'nyc', 'theater']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489362.1009889  (2021-05-20 07:42:42)
                             'size'  5706370