======================== unified (from filesystem) ========================
                                         'bitrate'  '254.187'
                                        'duration'  '187'
                                          'artist'  'larry page orchestra'
                                     'text_people'  ''
                                         'release'  'Music for night people'
                                           'title'  'music for night people'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['easy listening', 'jazz', 'drjazzmrfunkmusic', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '132.531'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for night people'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'music for night people'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'larry page orchestra'
'TXXX:Mp3gain_minmax'                               '128,168'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '21'
'TXXX:lastfmtags'                                   ['easy listening', 'jazz', 'drjazzmrfunkmusic', 'instrumental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'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'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.538165'

========================== row from database ==========================
                                              'id'  771484
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/v.a. - [promo] - music for night people (vhqvbr s)/21 larry page orchestra - music for night people.mp3
                                         'working'  None
                                         'bitrate'  254
                                    'duration_sec'  187
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  5956559
                                           'mtime'  1620538199
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country v.a. [promo] (vhqvbr s) 21 prerock jb jazz lounge exotica bossa
                                      'tag_artist'  larry page orchestra
                                     'tag_release'  Music for night people
                                       'tag_title'  music for night people
                                             'bpm'  132.531
                                    'search_title'  'for':2 'music':1 'night':3 'people':4
                                   'search_artist'  'larry':1 'orchestra':3 'page':2
                                  'search_release'  'for':2 'music':1 'night':3 'people':4
                                     'search_rest'  '21':14 'a':6 'bossa':18 'country':4 'exotica':2 'jazz':1 'jb':16 'lounge':17 'oldies':3 'prerock':15 'promo':8,9 's':12,13 'v':5 'va':7 'vhqvbr':10,11
                                    'search_combo'  '21':25 'a':17 'bossa':29 'country':15 'exotica':13 'for':2A,9C 'jazz':12 'jb':27 'larry':5B 'lounge':28 'music':1A,8C 'night':3A,10C 'oldies':14 'orchestra':7B 'page':6B 'people':4A,11C 'prerock':26 'promo':19,20 's':23,24 'v':16 'va':18 'vhqvbr':21,22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['easy listening', 'jazz', 'drjazzmrfunkmusic', 'instrumental']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538198.5312884  (2021-05-09 07:29:58)
                             'size'  5956559