======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '174'
                                          'artist'  'Stelvio Cipriani'
                                     'text_people'  ''
                                         'release'  'They Call me Hallalujah'
                                           'title'  '10 - Behind The Rose (Fields Of Rap'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['soundtrack', 'horror', 'spaghetti western', 'composer', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10 - Behind The Rose (Fields Of Rap'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '140.3'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'They Call me Hallalujah'
'TBPM' (BPM (beats per minute))                     '140.3'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         '10 - Behind The Rose (Fields Of Rap'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stelvio Cipriani'
'TRCK' (Track number/Position in set)               '10 - Behind The Rose (Fields Of Rap'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'horror', 'spaghetti western', 'composer', 'italian']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-7.04 dB'
'TXXX:replaygain_track_peak'                        '0.988563'

========================== row from database ==========================
                                              'id'  1480473
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/death in june - 1985 nada!/10 - Behind The Rose (Fields Of Rap.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  174
                                           'genre'  soundtrack-video-movies
                                        'filesize'  2790469
                                           'mtime'  1639510816
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy death june 1985 nada! soundtrack video movies
                                      'tag_artist'  Stelvio Cipriani
                                     'tag_release'  They Call me Hallalujah
                                       'tag_title'  10 - Behind The Rose (Fields Of Rap
                                             'bpm'  140.3
                                    'search_title'  'behind':1 'fields':4,5 'of':6 'rap':7 'rose':3 'the':2
                                   'search_artist'  'cipriani':2 'stelvio':1
                                  'search_release'  'call':2 'hallalujah':4 'me':3 'they':1
                                     'search_rest'  '1985':4 'classicprogpsy':1 'death':2 'june':3 'movies':8 'nada':5 'soundtrack':6 'video':7
                                    'search_combo'  '1985':17 'behind':1A 'call':11C 'cipriani':9B 'classicprogpsy':14 'death':15 'fields':4A,5A 'hallalujah':13C 'june':16 'me':12C 'movies':21 'nada':18 'of':6A 'rap':7A 'rose':3A 'soundtrack':19 'stelvio':8B 'the':2A 'they':10C 'video':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['soundtrack', 'horror', 'spaghetti western', 'composer', 'italian']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639510816.0510077  (2021-12-14 20:40:16)
                             'size'  2790469