======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '399'
                                          'artist'  'Deep Chill Network'
                                     'text_people'  ''
                                         'release'  'Deep Space One'
                                           'title'  '1937'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', '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'  "['deepspaceone', 'dark ambient', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '145.4'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Deep Space One'
'TBPM' (BPM (beats per minute))                     '145.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         '1937'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deep Chill Network'
'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'                                   ['deepspaceone', 'dark ambient', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.558340'

========================== row from database ==========================
                                              'id'  1104669
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Deep Space One- Deep ambient electronic and space music/Deep Chill Network - 1937.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  399
                                           'genre'  electronic-ambient
                                        'filesize'  6396927
                                           'mtime'  1636909981
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ambient electronic and space music electronic ambient
                                      'tag_artist'  Deep Chill Network
                                     'tag_release'  Deep Space One
                                       'tag_title'  1937
                                             'bpm'  145.4
                                    'search_title'  '1937':1
                                   'search_artist'  'chill':2 'deep':1 'network':3
                                  'search_release'  'deep':1 'one':3 'space':2
                                     'search_rest'  'ambient':1 'and':3 'electronic':2 'music':5 'space':4
                                    'search_combo'  '1937':1A 'ambient':8 'and':10 'chill':3B 'deep':2B,5C 'electronic':9 'music':12 'network':4B 'one':7C 'space':6C,11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           '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-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'dark ambient', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636909980.8044002  (2021-11-14 18:13:00)
                             'size'  6396927