======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '188'
                                          'artist'  'The Foundations'
                                     'text_people'  ''
                                         'release'  'Sitting On The Dock Of The Bay'
                                           'title'  "Baby, Now that I've Found You / the Foundations"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                      'lastfmtags'  "['oldies', '60s', 'motown', 'soul', 'pop', 'classic rock']"
                                     'discogstags'  "['pop rock', 'soul', 'rock', 'funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '116.453'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sitting On The Dock Of The Bay'
'TBPM' (BPM (beats per minute))                     '116.453'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "Baby, Now that I've Found You / the Foundations"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Foundations'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop rock', 'soul', 'rock', 'funk / soul']
'TXXX:lastfmtags'                                   ['oldies', '60s', 'motown', 'soul', 'pop', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.702078'

========================== row from database ==========================
                                              'id'  1294041
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Foundations/The Foundations__MBZ;#The Foundations;#Sitting on the Dock of the Bay;#03;#Baby Now That Ive Found You.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  188
                                           'genre'  rock-cppex
                                        'filesize'  4521731
                                           'mtime'  1620737323
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Foundations__MBZ;#The Foundations;#Sitting of Bay;#03;#Baby That Ive rock cppex
                                      'tag_artist'  The Foundations
                                     'tag_release'  Sitting On The Dock Of The Bay
                                       'tag_title'  Baby, Now that I've Found You / the Foundations
                                             'bpm'  116.453
                                    'search_title'  'baby':1,2 'found':8 'foundations':11 'i':5 'ive':7 'now':3 'that':4 'the':10 've':6 'you':9
                                   'search_artist'  'foundations':2 'the':1
                                  'search_release'  'bay':6 'dock':4 'of':5 'on':2 'sitting':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '03':14,17 'baby':15,18 'bay':13,16 'cppex':22 'foundations':2,5,8,10 'ive':20 'mbz':3,6 'of':12 'rock':21 'sitting':9,11 'that':19 'the':4,7
                                    'search_combo'  '00poprockelectronic':20 '03':33,36 'baby':1A,2A,34,37 'bay':19C,32,35 'cppex':41 'dock':17C 'found':8A 'foundations':11A,13B,21,24,27,29 'i':5A 'ive':7A,39 'mbz':22,25 'now':3A 'of':18C,31 'on':15C 'rock':40 'sitting':14C,28,30 'that':4A,38 'the':10A,12B,16C,23,26 've':6A 'you':9A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', '60s', 'motown', 'soul', 'pop', 'classic rock']
                                        'tag_date'  2002
                                     'discogstags'  ['pop rock', 'soul', 'rock', 'funk / soul']

============================== file details ==============================
                                           'mtime'  1620737323.4817357  (2021-05-11 14:48:43)
                             'size'  4521731