======================== unified (from filesystem) ========================
                                         'bitrate'  '140.789'
                                        'duration'  '156'
                                          'artist'  'Reed, Eli "Paperboy" & The True Loves'
                                     'text_people'  ''
                                         'release'  'Roll With You'
                                           'title'  "Won't give up without a fight"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'rhythm and blues', 'r&b', 'retro-soul', 'rhythm & blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '144.4'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Roll With You'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         "Won't give up without a fight"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Reed, Eli "Paperboy" & The True Loves'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'rhythm and blues', 'r&b', 'retro-soul', 'rhythm & blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.400837'

========================== row from database ==========================
                                              'id'  1477021
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Roll With You/09-eli_paperboy_reed_and_the_true_loves-wont_give_up_without_a_fight.mp3
                                         'working'  None
                                         'bitrate'  140
                                    'duration_sec'  156
                                           'genre'  funk or soul-funk
                                        'filesize'  2763733
                                           'mtime'  1620665697
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 09 eli_paperboy_reed_and_the_true_loves wont_give_up_without_a_fight funk or soul funk
                                      'tag_artist'  Reed, Eli "Paperboy" & The True Loves
                                     'tag_release'  Roll With You
                                       'tag_title'  Won't give up without a fight
                                             'bpm'  144.4
                                    'search_title'  'a':7 'fight':8 'give':4 't':2 'up':5 'without':6 'won':1 'wont':3
                                   'search_artist'  'eli':3 'loves':7 'paperboy':4 'reed':1,2 'the':5 'true':6
                                  'search_release'  'roll':1 'with':2 'you':3
                                     'search_rest'  'a':15 'and':7 'eli':4 'fight':16 'funk':2 'give':12 'loves':10 'or':17 'paperboy':5 'reed':6 'soul':3 'swing':1 'the':8 'true':9 'up':13 'without':14 'wont':11
                                    'search_combo'  'a':7A,33 'and':25 'eli':11B,22 'fight':8A,34 'funk':20 'give':4A,30 'loves':15B,28 'or':35 'paperboy':12B,23 'reed':9B,10B,24 'roll':16C 'soul':21 'swing':19 't':2A 'the':13B,26 'true':14B,27 'up':5A,31 'with':17C 'without':6A,32 'won':1A 'wont':3A,29 'you':18C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'rhythm and blues', 'r&b', 'retro-soul', 'rhythm & blues']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665697.039476  (2021-05-10 18:54:57)
                             'size'  2763733