======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '364'
                                          'artist'  'Steve Arrington'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dancing In The Key Of Life'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', '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'  "['male vocalists', '80s funk', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '115.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Dance Dossier'
'TBPM' (BPM (beats per minute))                     '115.3'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Dancing In The Key Of Life'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Arrington'
'TPE2' (Band/orchestra/accompaniment)               'Steve Arrington'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['male vocalists', '80s funk', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '4'
'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'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.798533'

========================== row from database ==========================
                                              'id'  1514970
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/253-C Steve Arrington - Dancin_ In The Key Of Life (12__ version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  364
                                           'genre'  funk or soul
                                        'filesize'  14578570
                                           'mtime'  1628357918
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 253 C Dancin_ (12__ version) funk or soul
                                      'tag_artist'  Steve Arrington
                                     'tag_release'  None
                                       'tag_title'  Dancing In The Key Of Life
                                             'bpm'  115.3
                                    'search_title'  'dancing':1 'in':2 'key':4 'life':6 'of':5 'the':3
                                   'search_artist'  'arrington':2 'steve':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '12':7,8 '1985':2 '253':4 'c':5 'complete':3 'dancin':6 'funk':11 'or':12 'soul':13 'version':9,10
                                    'search_combo'  '00poprockelectronic':9 '12':15,16 '1985':10 '253':12 'arrington':8B 'c':13 'complete':11 'dancin':14 'dancing':1A 'funk':19 'in':2A 'key':4A 'life':6A 'of':5A 'or':20 'soul':21 'steve':7B 'the':3A 'version':17,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', '80s funk', 'soul', 'funk', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357917.554327  (2021-08-07 19:38:37)
                             'size'  14578570