======================== unified (from filesystem) ========================
                                         'bitrate'  '235.733'
                                        'duration'  '269'
                                          'artist'  'Morton Gould'
                                     'text_people'  ''
                                         'release'  "dimitri's dungeon mixtape"
                                           'title'  'American Salute'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classical', 'composer', 'all', 'american classical', 'classic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;set-pl-dimitridm'
                                             'bpm'  '140.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "dimitri's dungeon mixtape"
'TBPM' (BPM (beats per minute))                     '140.2'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'set-pl-dimitridm']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'American Salute'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Morton Gould'
'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'                                        '2'
'TXXX:lastfmtags'                                   ['classical', 'composer', 'all', 'american classical', 'classic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.860139'

========================== row from database ==========================
                                              'id'  1524876
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Cleveland Eaton - dimitri_s dungeon mixtape/01 Morton Gould - American Salute.mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  269
                                           'genre'  electronic-experimental;set-pl-dimitridm
                                        'filesize'  7957741
                                           'mtime'  1636920536
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Cleveland Eaton dimitri_s 01 electronic experimental;set pl dimitridm
                                      'tag_artist'  Morton Gould
                                     'tag_release'  dimitri's dungeon mixtape
                                       'tag_title'  American Salute
                                             'bpm'  140.2
                                    'search_title'  'american':1 'salute':2
                                   'search_artist'  'gould':2 'morton':1
                                  'search_release'  'dimitri':1 'dimitris':3 'dungeon':4 'mixtape':5 's':2
                                     'search_rest'  'cleveland':1 'dimitri':3 'dimitridm':11 'eaton':2 'electronic':5 'experimental':6,8 'pl':10 's':4 'set':7,9
                                    'search_combo'  'american':1A 'cleveland':10 'dimitri':5C,12 'dimitridm':20 'dimitris':7C 'dungeon':8C 'eaton':11 'electronic':14 'experimental':15,17 'gould':4B 'mixtape':9C 'morton':3B 'pl':19 's':6C,13 'salute':2A 'set':16,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'composer', 'all', 'american classical', 'classic']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636920535.7899501  (2021-11-14 21:08:55)
                             'size'  7957741