======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '88'
                                          'artist'  'Guido & Maurizio De Angelis'
                                     'text_people'  ''
                                         'release'  'Roma Violenta'
                                           'title'  'Undercover Investigation (Seq.01)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'italian', 'secretagent', 'lounge', 'composer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '126.017'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Roma Violenta'
'TBPM' (BPM (beats per minute))                     '126.017'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Undercover Investigation (Seq.01)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Guido & Maurizio De Angelis'
'TPE2' (Band/orchestra/accompaniment)               'Guido & Maurizio De Angelis'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'italian', 'secretagent', 'lounge', 'composer']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.33 dB'
'TXXX:replaygain_track_peak'                        '0.773643'

========================== row from database ==========================
                                              'id'  644862
                                            'path'  /data/Music/Bulk/0soundtrack/guido & maurizio de angelis - roma violenta ost (1975)/09-undercover_investigation_(seq.01).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  88
                                           'genre'  soundtrack-video
                                        'filesize'  3553776
                                           'mtime'  1637438556
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack guido maurizio angelis roma violenta ost (1975) 09 undercover_investigation_(seq.01) soundtrack video
                                      'tag_artist'  Guido & Maurizio De Angelis
                                     'tag_release'  Roma Violenta
                                       'tag_title'  Undercover Investigation (Seq.01)
                                             'bpm'  126.017
                                    'search_title'  '01':4 'investigation':2 'seq':3 'seq01':5 'undercover':1
                                   'search_artist'  'angelis':4 'de':3 'guido':1 'maurizio':2
                                  'search_release'  'roma':1 'violenta':2
                                     'search_rest'  '01':13 '0soundtrack':1 '1975':8,9 'angelis':4 'guido':2 'investigation':11,15 'maurizio':3 'ost':7 'roma':5 'seq':12 'seq01':16 'soundtrack':17 'undercover':10,14 'video':18 'violenta':6
                                    'search_combo'  '01':4A,24 '0soundtrack':12 '1975':19,20 'angelis':9B,15 'de':8B 'guido':6B,13 'investigation':2A,22,26 'maurizio':7B,14 'ost':18 'roma':10C,16 'seq':3A,23 'seq01':5A,27 'soundtrack':28 'undercover':1A,21,25 'video':29 'violenta':11C,17
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'italian', 'secretagent', 'lounge', 'composer']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637438556.3993604  (2021-11-20 21:02:36)
                             'size'  3553776