======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '215'
                                          'artist'  'James Taylor'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'How Sweet It Is (To Be Loved B'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '68'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
 'radio-unsorted;rock-cppex;ifs-songwriter-folk;ifs-songwriter-rock;set-pl-billboard')
                                             'bpm'  '109.468'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '109.468'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'rock-cppex',
 'ifs-songwriter-folk',
 'ifs-songwriter-rock',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'How Sweet It Is (To Be Loved B'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'James Taylor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '68'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']
'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'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.830056'

========================== row from database ==========================
                                              'id'  1329219
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1975/068 - James Taylor - How Sweet It Is (To Be Loved By You).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  215
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;ifs-songwriter-folk;ifs-songwriter-rock;set-pl-billboard
                                        'filesize'  4302280
                                           'mtime'  1642256377
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1975 068 By You) electronic generic radio unsorted;rock cppex;ifs songwriter folk;ifs songwriter rock;set pl billboard
                                      'tag_artist'  James Taylor
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  How Sweet It Is (To Be Loved B
                                             'bpm'  109.468
                                    'search_title'  'b':9 'be':7 'how':1 'is':4 'it':3 'loved':8 'sweet':2 'to':5,6
                                   'search_artist'  'james':1 'taylor':2
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1975':3 'billboard':28 'by':4 'cppex':14,16 'electronic':7 'folk':19,21 'generic':8 'ifs':15,17,20,22 'pl':27 'radio':9 'rock':11,13,23,25 'set':24,26 'songwriter':18 'top100':2 'unsorted':10,12 'you':5,6
                                    'search_combo'  '00poprockelectronic':18 '1':17C '1975':20 'b':9A 'be':7A 'billboard':12C,45 'by':21 'cppex':31,33 'electronic':24 'folk':36,38 'generic':25 'how':1A 'ifs':32,34,37,39 'is':4A 'it':3A 'james':10B 'loved':8A 'of':16C 'pl':44 'pop':14C 'radio':26 'rock':28,30,40,42 'set':41,43 'singles':15C 'songwriter':35 'sweet':2A 'taylor':11B 'to':5A,6A 'top':13C 'top100':19 'unsorted':27,29 'you':22,23
                                    'tag_tracknum'  68
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-vocals-3', 'q-mixbeat-2', 'Q-PIANO-2']
                                      'lastfmtags'  ['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256377.4494095  (2022-01-15 15:19:37)
                             'size'  4302280