======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '146'
                                          'artist'  "Somethin' Smith & The Redheads"
                                     'text_people'  ''
                                         'release'  "Ain't That Somethin - The Best Of Somethin' Smith & The Redheads"
                                           'title'  'When All The Streets Are Dark'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['50s rock n roll', 'babies r us', 'mine', '40s 50s', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '234'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.371'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Ain't That Somethin - The Best Of Somethin' Smith & The Redheads"
'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'When All The Streets Are Dark'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               "Somethin' Smith & The Redheads"
'TRCK' (Track number/Position in set)               '234'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['50s rock n roll', 'babies r us', 'mine', '40s 50s', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.541830'

========================== row from database ==========================
                                              'id'  1510341
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-234 - Somethin_ Smith & The Redheads - When All The Streets Are Dark.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  146
                                           'genre'  prerock-unsorted
                                        'filesize'  5847447
                                           'mtime'  1621698219
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 234 Somethin_ prerock unsorted
                                      'tag_artist'  Somethin' Smith & The Redheads
                                     'tag_release'  Ain't That Somethin - The Best Of Somethin' Smith & The Redheads
                                       'tag_title'  When All The Streets Are Dark
                                             'bpm'  145.371
                                    'search_title'  'all':2 'are':5 'dark':6 'streets':4 'the':3 'when':1
                                   'search_artist'  'redheads':5 'smith':3 'somethin':1,2 'the':4
                                  'search_release'  'ain':1 'aint':3 'best':7 'of':8 'redheads':11 'smith':10 'somethin':5,9 't':2 'that':4 'the':6
                                     'search_rest'  '00oldiepop':5 '1955':6 '234':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'somethin':8 'unsorted':10
                                    'search_combo'  '00oldiepop':27 '1955':28 '234':29 'ain':12C 'aint':14C 'all':2A 'are':5A 'best':18C 'country':26 'dark':6A 'exotica':24 'jazz':23 'of':19C 'oldies':25 'prerock':31 'redheads':11B,22C 'smith':9B,21C 'somethin':7B,8B,16C,20C,30 'streets':4A 't':13C 'that':15C 'the':3A,10B,17C 'unsorted':32 'when':1A
                                    'tag_tracknum'  234
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['50s rock n roll', 'babies r us', 'mine', '40s 50s', 'easy listening']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698219.0236444  (2021-05-22 17:43:39)
                             'size'  5847447