======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '239'
                                          'artist'  "Groove Armada - 'I See You Baby' "
                                     'text_people'  ''
                                         'release'  'saturday night classics cd 2'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electronic', 'chillout', 'house', 'dance', 'poptron']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '130.063'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'saturday night classics cd 2'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2009'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '239653'
'TPE1' (Lead performer(s)/Soloist(s))               "Groove Armada - 'I See You Baby' "
'TRCK' (Track number/Position in set)               '5'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'chillout', 'house', 'dance', 'poptron']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.33 dB'
'TXXX:replaygain_track_peak'                        '0.357659'

========================== row from database ==========================
                                              'id'  1511828
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/05 - Groove Armada - _I See You Baby_.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  239
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9591427
                                           'mtime'  1621696878
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 05 _I Baby_ electronic generic or radio dance
                                      'tag_artist'  Groove Armada - 'I See You Baby' 
                                     'tag_release'  saturday night classics cd 2
                                       'tag_title'  None
                                             'bpm'  130.063
                                    'search_title'  None
                                   'search_artist'  'armada':2 'baby':7,8 'groove':1 'i':3,4 'see':5 'you':6
                                  'search_release'  '2':5 'cd':4 'classics':3 'night':2 'saturday':1
                                     'search_rest'  '00poprockelectronic':1 'baby':4 'dance':9 'electronic':5 'generic':6 'i':3 'or':7 'radio':8 'set':2
                                    'search_combo'  '00poprockelectronic':14 '2':13C 'armada':2B 'baby':7B,8B,17 'cd':12C 'classics':11C 'dance':22 'electronic':18 'generic':19 'groove':1B 'i':3B,4B,16 'night':10C 'or':20 'radio':21 'saturday':9C 'see':5B 'set':15 'you':6B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-piano-1', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'chillout', 'house', 'dance', 'poptron']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696877.7035985  (2021-05-22 17:21:17)
                             'size'  9591427