======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '88'
                                          'artist'  'High Skies'
                                     'text_people'  ''
                                         'release'  'Sounds of Earth'
                                           'title'  'Au Debut du Voyage'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'deepspaceone', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '135.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Sounds of Earth'
'TBPM' (BPM (beats per minute))                     '135.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Au Debut du Voyage'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'High Skies'
'TRCK' (Track number/Position in set)               '1'
'TSRC' (ISRC (international standard recording code))  'USTCC0909181'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'deepspaceone', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.415968'

========================== row from database ==========================
                                              'id'  1326351
                                            'path'  /data/Music/Bulk/00poprockelectronic/High Skies - Sounds of Earth/High Skies - Sounds of Earth - 01 Au Debut du Voyage.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  88
                                           'genre'  electronic
                                        'filesize'  3558333
                                           'mtime'  1636914068
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 electronic
                                      'tag_artist'  High Skies
                                     'tag_release'  Sounds of Earth
                                       'tag_title'  Au Debut du Voyage
                                             'bpm'  135.0
                                    'search_title'  'au':1 'debut':2 'du':3 'voyage':4
                                   'search_artist'  'high':1 'skies':2
                                  'search_release'  'earth':3 'of':2 'sounds':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2
                                    'search_combo'  '00poprockelectronic':10 'au':1A 'debut':2A 'du':3A 'earth':9C 'electronic':11 'high':5B 'of':8C 'skies':6B 'sounds':7C 'voyage':4A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8B
                                           '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-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'deepspaceone', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914067.9983835  (2021-11-14 19:21:07)
                             'size'  3558333