======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '317'
                                          'artist'  'Oppenheimer Analysis'
                                     'text_people'  ''
                                         'release'  "Oppenheimer Analysis 12''"
                                           'title'  'Cold War'
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'electronic', 'minimal synth', 'minimal electronic', 'minimal wave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '101.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Oppenheimer Analysis 12''"
'TBPM' (BPM (beats per minute))                     '101.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Cold War'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Oppenheimer Analysis'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['80s', 'electronic', 'minimal synth', 'minimal electronic', 'minimal wave']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '0.389435'

========================== row from database ==========================
                                              'id'  1528640
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Minimal Wave/[MW001] Oppenheimer Analysis - Oppenheimer Analysis (12__, Ltd) [2005] 320Kbps/a2. cold war.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  317
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  12702022
                                           'mtime'  1620540472
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Minimal Wave [MW001] (12__, Ltd) [2005] 320Kbps a2. cold war electronic we new wave or post punk
                                      'tag_artist'  Oppenheimer Analysis
                                     'tag_release'  Oppenheimer Analysis 12''
                                       'tag_title'  Cold War
                                             'bpm'  101.3
                                    'search_title'  'cold':1 'war':2
                                   'search_artist'  'analysis':2 'oppenheimer':1
                                  'search_release'  '12':3,4 'analysis':2 'oppenheimer':1
                                     'search_rest'  '12':5,6 '2005':9,10 '320kbps':11 'a2':12,13 'cold':14 'electronic':16 'ltd':7,8 'minimal':1 'mw001':3,4 'new':18 'or':19 'post':20 'punk':21 'war':15 'wave':2 'we':17
                                    'search_combo'  '12':7C,8C,13,14 '2005':17,18 '320kbps':19 'a2':20,21 'analysis':4B,6C 'cold':1A,22 'electronic':24 'ltd':15,16 'minimal':9 'mw001':11,12 'new':26 'oppenheimer':3B,5C 'or':27 'post':28 'punk':29 'war':2A,23 'wave':10 'we':25
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'electronic', 'minimal synth', 'minimal electronic', 'minimal wave']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620540471.5240607  (2021-05-09 08:07:51)
                             'size'  12702022