======================== unified (from filesystem) ========================
                                         'bitrate'  '152.708'
                                        'duration'  '245'
                                          'artist'  'Reed, Eli "Paperboy" & The True Loves'
                                     'text_people'  ''
                                         'release'  'Roll With You'
                                           'title'  "It's easier"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'rhythm and blues', 'r&b', 'retro-soul', 'rhythm & blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '145.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Roll With You'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         "It's easier"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Reed, Eli "Paperboy" & The True Loves'
'TRCK' (Track number/Position in set)               '3'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.331540'

========================== row from database ==========================
                                              'id'  1477010
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Roll With You/03-eli_paperboy_reed_and_the_true_loves-its_easier.mp3
                                         'working'  None
                                         'bitrate'  152
                                    'duration_sec'  245
                                           'genre'  funk or soul-funk
                                        'filesize'  4702624
                                           'mtime'  1620665697
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 03 eli_paperboy_reed_and_the_true_loves its_easier funk or soul funk
                                      'tag_artist'  Reed, Eli "Paperboy" & The True Loves
                                     'tag_release'  Roll With You
                                       'tag_title'  It's easier
                                             'bpm'  145.5
                                    'search_title'  'easier':4 'it':1 'its':3 's':2
                                   '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'  'and':7 'easier':12 'eli':4 'funk':2 'its':11 'loves':10 'or':13 'paperboy':5 'reed':6 'soul':3 'swing':1 'the':8 'true':9
                                    'search_combo'  'and':21 'easier':4A,26 'eli':7B,18 'funk':16 'it':1A 'its':3A,25 'loves':11B,24 'or':27 'paperboy':8B,19 'reed':5B,6B,20 'roll':12C 's':2A 'soul':17 'swing':15 'the':9B,22 'true':10B,23 'with':13C 'you':14C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'rhythm and blues', 'r&b', 'retro-soul', 'rhythm & blues']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665696.707054  (2021-05-10 18:54:56)
                             'size'  4702624