======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '191'
                                          'artist'  'Parliament'
                                     'text_people'  ''
                                         'release'  "Parliament's Greatest Hits (The Bomb)"
                                           'title'  'Mother Ship Connection (Star Child)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['p funk', 'soul', 'drjazzmrfunkmusic', '70s', 'psychedelic soul', 'funk']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '90.654'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Parliament's Greatest Hits (The Bomb)"
'TBPM' (BPM (beats per minute))                     '90.654'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Mother Ship Connection (Star Child)'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Parliament'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['p funk', 'soul', 'drjazzmrfunkmusic', '70s', 'psychedelic soul', 'funk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.977182'

========================== row from database ==========================
                                              'id'  1333427
                                            'path'  /data/Music/Bulk/00poprockelectronic/Parliament/[19XX] Greatest Hits/04 - Mothership Connection (Star Ch.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  191
                                           'genre'  funk or soul-funk
                                        'filesize'  4589996
                                           'mtime'  1620665791
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [19XX] 04 Mothership funk or soul funk
                                      'tag_artist'  Parliament
                                     'tag_release'  Parliament's Greatest Hits (The Bomb)
                                       'tag_title'  Mother Ship Connection (Star Child)
                                             'bpm'  90.654
                                    'search_title'  'child':6,7 'connection':3 'mother':1 'ship':2 'star':4,5
                                   'search_artist'  'parliament':1
                                  'search_release'  'bomb':8,9 'greatest':4 'hits':5 'parliament':1 'parliaments':3 's':2 'the':6,7
                                     'search_rest'  '00poprockelectronic':1 '19xx':2,3 'funk':5 'mothership':4 'or':6 'soul':7
                                    'search_combo'  '00poprockelectronic':18 '19xx':19,20 'bomb':16C,17C 'child':6A,7A 'connection':3A 'funk':22 'greatest':12C 'hits':13C 'mother':1A 'mothership':21 'or':23 'parliament':8B,9C 'parliaments':11C 's':10C 'ship':2A 'soul':24 'star':4A,5A 'the':14C,15C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['p funk', 'soul', 'drjazzmrfunkmusic', '70s', 'psychedelic soul', 'funk']
                                        'tag_date'  1975
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620665791.4760318  (2021-05-10 18:56:31)
                             'size'  4589996