======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '492'
                                          'artist'  'B-Movie'
                                     'text_people'  ''
                                         'release'  'Forever Running'
                                           'title'  'A Letter From Afar (Big Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'new romantic', 'post punk', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '120.471'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:MusicMatch_TrackArtist:eng'                   ['', 'MusicMatch_TrackArtist']
'TALB' (Album/Movie/Show title)                     'Forever Running'
'TBPM' (BPM (beats per minute))                     '120.471'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'A Letter From Afar (Big Mix)'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '492440'
'TPE1' (Lead performer(s)/Soloist(s))               'B-Movie'
'TPE2' (Band/orchestra/accompaniment)               'B-Movie'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'new romantic', 'post punk', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.502157'

========================== row from database ==========================
                                              'id'  767576
                                            'path'  /data/Music/Bulk/0soundtrack/B-Movie - forever running (1985)/13 A Letter From Afar (Big Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  492
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  19701023
                                           'mtime'  1620647539
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack forever running (1985) 13 electronic we new wave post punk
                                      'tag_artist'  B-Movie
                                     'tag_release'  Forever Running
                                       'tag_title'  A Letter From Afar (Big Mix)
                                             'bpm'  120.471
                                    'search_title'  'a':1 'afar':4 'big':5,6 'from':3 'letter':2 'mix':7,8
                                   'search_artist'  'b':1 'bmovie':3 'movie':2
                                  'search_release'  'forever':1 'running':2
                                     'search_rest'  '0soundtrack':1 '1985':4,5 'electronic':6 'forever':2 'new':8 'post':10 'punk':11 'running':3 'wave':9 'we':7
                                    'search_combo'  '0soundtrack':14 '1985':17,18 'a':1A 'afar':4A 'b':9B 'big':5A,6A 'bmovie':11B 'electronic':19 'forever':12C,15 'from':3A 'letter':2A 'mix':7A,8A 'movie':10B 'new':21 'post':23 'punk':24 'running':13C,16 'wave':22 'we':20
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'new romantic', 'post punk', 'synthpop']
                                        'tag_date'  1985
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620647539.408225  (2021-05-10 13:52:19)
                             'size'  19701023