======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '143'
                                          'artist'  'Need a Name'
                                     'text_people'  ''
                                         'release'  'Deep Space One'
                                           'title'  'Rain, Roads and Lights'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-2', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['ambient', 'electronic', 'deepspaceone', 'downtempo', 'idm']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '113.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Conver Art'                                   type PictureType.COVER_FRONT (Cover (front)) b'Conver Art'
                                     
'TALB' (Album/Movie/Show title)                     'Deep Space One'
'TBPM' (BPM (beats per minute))                     '113.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Rain, Roads and Lights'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Need a Name'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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', 'ambient']
'TXXX:lastfmtags'                                   ['ambient', 'electronic', 'deepspaceone', 'downtempo', 'idm']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.48 dB'
'TXXX:replaygain_track_peak'                        '0.933957'

========================== row from database ==========================
                                              'id'  1104620
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Deep Space One- Deep ambient electronic and space music/Need a Name - Rain, Roads and Lights.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  143
                                           'genre'  electronic-ambient
                                        'filesize'  2296763
                                           'mtime'  1636910143
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ambient electronic space music electronic ambient
                                      'tag_artist'  Need a Name
                                     'tag_release'  Deep Space One
                                       'tag_title'  Rain, Roads and Lights
                                             'bpm'  113.6
                                    'search_title'  'and':4 'lights':5 'rain':1,2 'roads':3
                                   'search_artist'  'a':2 'name':3 'need':1
                                  'search_release'  'deep':1 'one':3 'space':2
                                     'search_rest'  'ambient':1 'electronic':2 'music':4 'space':3
                                    'search_combo'  'a':7B 'ambient':12 'and':4A 'deep':9C 'electronic':13 'lights':5A 'music':15 'name':8B 'need':6B 'one':11C 'rain':1A,2A 'roads':3A 'space':10C,14
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'electronic', 'deepspaceone', 'downtempo', 'idm']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636910143.202065  (2021-11-14 18:15:43)
                             'size'  2296763